• Beranda
  • Prof. Dr.rer.nat Karna Wijaya, M.Eng

Prof. Dr.rer.nat Karna Wijaya, M.Eng

  • 26 September 2022, 13.33
  • Oleh:
  • 0
SCOPUSGARUDAWOS/PUBLONS ORCID
Email : karnawijaya@ugm.ac.id
Education Background :
Doctor, Dr.rer.nat, Technische Univ Carolo Wilhelmina Braunschweig, 1999
Master, M.Eng, Waseda University, 1993
Undergraduate, Drs, Kimia, Universitas Gadjah Mada, 1987
Research Interest :
Nanomaterial, katalis, biofuel, macromolecule
Aktif meneliti dalam bidang nanomaterial untuk berbagai aplikasi dan tujuan, serta aktif meneliti pada tentang biofuel.
Research Cluster/Group :
Teori/Komputasi, Material, Katalis
List of Publications :
2022
Synthesis of biodiesel from castor oil catalyzed by sodium hydroxide dispersed on bentoniteM Utami, P Setiawan, II Falah, M Shidiq, K Wijaya, T Jarin, …
Sustainable Energy Technologies and Assessments 53, 102526

2022
Characteristics of coconut shell-based activated carbon as Ni and Pt catalyst supports for hydrotreating Calophyllum inophyllum oil into hydrocarbon-based biofuelW Trisunaryanti, K Wijaya, T Triyono, N Wahyuningtyas, SP Utami, …
Journal of Environmental Chemical Engineering 10 (5), 108209

2022
The effective combination of zirconia superacid and zirconia-impregnated CaO in biodiesel manufacturing: Utilization of used coconut cooking oil (UCCO)EP Sari, K Wijaya, W Trisunaryanti, A Syoufian, H Hasanudin, WD Saputri
International Journal of Energy and Environmental Engineering 13 (3), 967-978
3
2022
Nickel-modified sulfated zirconia catalyst: Synthesis and application for transforming waste cooking oil into biogasoline via a hydrocracking processK Wijaya, M Utami, AK Damayanti, I Tahir, AD Tikoalu, R Rajagopal, …
Fuel 322, 124152
1
2022
Theoretical studies on structure and dynamics of anatase TiO2 (101)/H2SO4/H2O interface in the early stage of titania sulfationDN Afifah, LA Marlina, AS Hutama, K Wijaya
Structural Chemistry 33 (4), 1341-1354

2022
Facile Synthesis of Various ZrO2 Phases and ZrO2-MO2 (M = Ti, Hf) by Thermal Decomposition of a Single UiO-66 Precursor for Photodegradation of Methyl …INA Jannah, HF Sekarsari, S Mulijani, K Wijaya, AC Wibowo, A Patah
Catalysts 12 (6), 609

2022
Lump Kinetic Method in Solving Kinetic Problems and Cracking Reaction Mechanism: A ReviewH Hasanudin, WR Asri, K Wijaya
Iranian Journal of Catalysis 12 (2), 115-125

2022
Bio-oil hydrodeoxygenation over acid activated-zeolite with different Si/Al ratioS Gea, I Irvan, K Wijaya, A Nadia, A Pulungan, J Sihombing, R Rahayu
Biofuel Research Journal 9 (2), 1630-1639
1
2022
Bio-oil hydrodeoxygenation over zeolite-based catalyst: the effect of zeolite activation and nickel loading on product characteristicsS Gea, K Wijaya, A Nadia, AN Pulungan, JL Sihombing
International Journal of Energy and Environmental Engineering 13 (2), 541-553
1
2022
Porous silica modification with sulfuric acids and potassium fluorides as catalysts for biodiesel conversion from waste cooking oilsA Aneu, K Wijaya, A Syoufian
Journal of Porous Materials, 1-15

2022
Dehydration Isopropyl Alcohol to Diisopropyl Ether over Molybdenum Phosphide Pillared Bentonite.H Hasanudin, WR Asri, K Tampubolon, F Riyanti, W Purwaningrum, …
Pertanika Journal of Science & Technology 30 (2)

2022
Self-regeneration of Monodisperse Hierarchical Porous NiMo/Silica Catalyst Induced by NaHCO3 for Biofuel ProductionA Nadia, K Wijaya, II Falah, S Sudiono, A Budiman
Waste and Biomass Valorization 13 (4), 2335-2347
2
2022
A Comprehensive Review of Experimental Parameters in Bio-oil Upgrading from Pyrolysis of Biomass to Biofuel Through Catalytic HydrodeoxygenationS Gea, YA Hutapea, AFR Piliang, AN Pulungan, R Rahayu, J Layla, …
BioEnergy Research, 1-23
1
2022
Enhanced catalytic conversion of palm oil into biofuels by Cr-incorporated sulphated zirconiaM Utami, R Safitri, MF Pradipta, K Wijaya, SW Chang, B Ravindran, D Ovi, …
Materials Letters 309, 131472
5
2022
Recent progress on sulfated nanozirconia as a solid acid catalyst in the hydrocracking reactionSJ Sekewael, RA Pratika, L Hauli, AK Amin, M Utami, K Wijaya
Catalysts 12 (2), 191
7
2022
Mesoporous silica preparation using sodium bicarbonate as template and application of the silica for hydrocracking of used cooking oil into biofuelK Wijaya, WD Saputri, ITA Aziz, E Heraldy, L Hakim, A Suseno, M Utami
Silicon 14 (4), 1583-1591
9
2022
Nanocatalysts of Sulfated Zirconia and Calcium Oxide/Zirconia for Microwave-Assisted Biodiesel Synthesis from Castor OilRZ Andiena, K Wijaya, A Syoufian
Materials Science Forum 1067, 167-176

2022
Aluminosilicate Based Solid Acid Catalyst: Effect of Calcination Time, OH/Al Ratio and Keggin Ion Concentration on its PreparationA Mara, RA Pratika, K Wijaya, W Trisunaryanti, M Mudasir, H Ismail, …
Advances in Science and Technology 115, 1-8

2022
Hydrocracking of LDPE Plastic Wastes into Liquid Fuel by Natural Zeolite Supported Nickel MetalM Taufiqurrohaman, K Wijaya, A Nadia, SE Purba, A Syoufian
Key Engineering Materials 927, 154-158

2022
Hydrocracking optimization of palm oil to bio-gasoline and bio-aviation fuels using molybdenum nitride-bentonite catalystH Hasanudin, WR Asri, M Said, PT Hidayati, W Purwaningrum, N Novia, …
RSC Advances 12 (26), 16431-16443
1
2022
Sulfuric Acid-Activated Silica Gel as a Potential Solid Acid CatalystW Wangsa, RA Pratika, TS Ningrum, K Wijaya
Key Engineering Materials 920, 159-165

2022
Effect of Sulfation on Physicochemical Properties of ZrO2 and TiO2 NanoparticlesK Wijaya, RA Pratika, ER Fitri, PF Prabani, Y Candrasasi, WD Saputri, …
Korean Journal of Materials Research 32 (3), 125-131

2022
Peer Review Hydrocracking of Oil Residue from Palm Oil Mill Effluent to BiofuelH Hasanudin, M Faizal, A Said, MH Dahlan, K Wijaya
Fakultas Teknik Universitas Sriwijaya

2022
Peer Review Effect of Temperature and Catalyst to Feed Ratio on Production Biofuel from Fatty Acid of Palm Oil Industrial Sludge HydrocrackingH Hasanudin, M Said, M Faizal, M Hatta Dahlan, K Wijaya, A Rachmat
Fakultas Teknik Universitas Sriwijaya

2022
Similarity Check Effect of Temperature and Catalyst to Feed Ratio on Production Biofuel from Fatty Acid of Palm Oil Industrial Sludge HydrocrackingH Hasanudin, M Said, M Faizal, M Hatta Dahlan, K Wijaya, A Rachmat
Turnitin Universitas Sriwijaya

2022
Synthesis of Nickel-loaded sulfated zirconia catalyst and its application for converting used palm cooking oil to gasoline via hydrocracking processITA Aziz, WD Saputri, W Trisunaryanti, S Sudiono, A Syoufian, A Budiman, …
Periodica Polytechnica Chemical Engineering 66 (1), 101-113
2
2022
Synthesis, characterizations and catalysis of sulfated silica and nickel modified silica catalysts for diethyl ether (DEE) production from ethanol towards renewable energy …K Wijaya, ML Lammaduma Malau, M Utami, S Mulijani, A Patah, …
Catalysts 11 (12), 1511
1
2021
Effectively Synthesizing SO4/TiO2 Catalyst and Its Performance for Converting Ethanol into Diethyl Ether (DEE)K Wijaya, AR Putri, S Sudiono, S Mulijani, A Patah, AC Wibowo, …
Catalysts 11 (12), 1492
4
2021
Hydrothermal treatment of SO4/TiO2 and TiO2/CaO as heterogeneous catalysts for the conversion of Jatropha oil into biodieselRA Pratika, K Wijaya, W Trisunaryanti
Journal of Environmental Chemical Engineering 9 (6), 106547
9
2021
Kimia Kuantum Untuk Perekayasa NanomaterialK Wijaya, A Syoufian, I Tahir, AS Hutama
UGM PRESS

2021
The Treatments Effect of on HNO Characteristics 3 and/or NaOH of MordeniteW Trisunaryanti, K Wijaya, D Suryani, U Chasanah
Advances in Geopolymer-Zeolite Composites: Synthesis and Characterization, 155

2021
Catalytic hydrocracking of fresh and waste frying oil over Ni-and Mo-based catalysts supported on sulfated silica for biogasoline productionK Wijaya, A Nadia, A Dinana, AF Pratiwi, AD Tikoalu, AC Wibowo
Catalysts 11 (10), 1150
7
2021
Green synthesis of hierarchical porous carbon prepared from coconut lumber sawdust as Ni-based catalyst support for hydrotreating Callophyllum inophyllum oilW Trisunaryanti, K Wijaya, T Triyono, AR Adriani, S Larasati
Results in Engineering 11, 100258
11
2021
Synthesis of nickel catalyst supported on ZrO2/SO4 pillared bentonite and its application for conversion of coconut oil into gasoline via hydrocracking processK Wijaya, MA Kurniawan, WD Saputri, W Trisunaryanti, M Mirzan, …
Journal of Environmental Chemical Engineering 9 (4), 105399
11
2021
Silica-based solid acid catalyst with different concentration of H2SO4 and calcination temperature: Preparation and characterizationA Aneu, K Wijaya, A Syoufian
Silicon 13 (7), 2265-2270
5
2021
Generic QSPR study for predicting critical micelle concentration of gemini cationic surfactants using the online chemical modeling environment (OCHEM)E Setiawan, K Wijaya, M Mudasir
AIP Conference Proceedings 2349 (1), 020027
1
2021
Simultaneous Extraction and In-Situ Transesterification of Chlorella vulgaris Using Microwave-Assisted Method for Biodiesel ProductionR Adhiputra, M Utami, EA Suyono, A Budiman, PL Hariani, A Setyopratiwi, …
Korean Journal of Materials Research 31 (4), 181-187
1
2021
QSAR modeling for predicting the antifungal activities of gemini imidazolium surfactants against Candida albicans using GA-MLR methodsE Setiawan, K Wijaya, M Mudasir
Journal of Applied Pharmaceutical Science 11 (4), 022-027
3
2021
The Effect of HNO3 and/or NaOH Treatments on Characteristics of MordeniteW Trisunaryanti, K Wijaya, D Suryani, U Chasanah
Advances in Geopolymer-Zeolite Composites-Synthesis and Characterization
1
2021
Synthesis and Application of Na2O/ZrO2 Nanocomposite for Microwave-assisted Transesterification of Castor OilD Hidayat, A Syoufian, M Utami, K Wijaya
ICS Physical Chemistry 1 (1), 26-26

2021
Synthesis and Application of Nanolayered and Nanoporous MaterialsK Wijaya, E Heraldy, L Hakim, A Suseno, PL Hariani, M Utami, …
ICS Physical Chemistry 1 (1), 1-1

2021
Dealuminated and Desilicated Natural Zeolite as a Catalyst for Hydrocracking of Used Cooking Oil into BiogasolineSE Purba, K Wijaya, W Trisunaryanti, RA Pratika
Mediterranean Journal of Chemistry 11 (1), 75-83
4
2021
Nanoresearch sebagai Driving Force Kemajuan Sainstek di IndonesiaK Wijaya
Menuju Indonesia Maju 2045 1, 275

2021
QSAR-Based Design of The More Potent Betulinic Acid Derivatives as HIV Maturation InhibitorI Arief, HD Pranowo, M Mudasir, K Wijaya
Chiang Mai Univ J Nat Sci 20 (1), 1-11
1
2021
Performance of Ni-Mo sulfated nanozirconia catalyst for conversion of waste cooking oil into biofuel via hydrocracking processA Hanifa, A Nadia, WD Saputri, A Syoufian, K Wijaya
Materials Science Forum 1045, 79-89
3
2021
In Silico Prediction of Betulinic Acid Derivatives’ Cytotoxicity: Relationship between Topological Descriptors and CC50 ValueI Arief, HD Pranowo, M Mudasir, K Wijaya
Key Engineering Materials 884, 282-289

2021
Solid State Mixing Preparation of CaO/Bentonite Nanocomposite and its Application to Improve the Quality of Patchouli OilK Wijaya, M Utami, A Syoufian, AI Murifal
Advanced Materials Research 1162, 21-26
1
2021
QSAR-based design of potent betulinic acid derivatives as HIV maturation inhibitors. CMUJI Arief, HD Pranowo, M Mudasir, K Wijaya
Nat. Sci 20 (1), e2021010

2021
Conversion of bioethanol to diethyl ether catalyzed by sulfuric acid and zeoliteWF Winata, K Wijaya, A Mara, W Kurniawati
Journal of the Indonesian Chemical Society 3 (3), 151-151
2
2020
Antimicrobial Imperata cylindrica paper coated with anionic nanocellulose crosslinked with cationic ionsD Zulfiana, A Karimah, SH Anita, N Masruchin, K Wijaya, L Suryanegara, …
International journal of biological macromolecules 164, 892-901
8
2020
The synthesis of SO4/ZrO2 and Zr/CaO catalysts via hydrothermal treatment and their application for conversion of low-grade coconut oil into biodieselMS La Ore, K Wijaya, W Trisunaryanti, WD Saputri, E Heraldy, …
Journal of Environmental Chemical Engineering 8 (5), 104205
23
2020
Application of Biogasoline in a Four-stroke Motorcycle EngineS Saputra, K Wijaya
ASEAN Journal on Science and Technology for Development 37 (2), 51–55-51–55

2020
Synthesis and Characterization of Diethanolamide (Surfactant) from Cao/Zeolite-Catalysed Used Cooking OilW Lusiana, A Nadia, S Sudiartono, PL Hariani, A Setyopratiwi, K Wijaya
Journal of the Indonesian Chemical Society 3 (2), 81-81

2020
Catalytic Synthesis of Diethanolamide Surfactant from Used Cooking OilM Utami, K Wijaya, A Syoufian, SH Wicaksono
EKSAKTA: Journal of Sciences and Data Analysis, 133-138
2
2020
Optimizations of microwave-assisted extraction and transesterification of bio-crude oil from spirulina (Arthrospira platensis)A Purnama, K Wijaya, I Tahir, EA Suyono, A Budiman
Korean Journal of Chemical Engineering 37 (3), 466-474
5
2020
Indonesian Modified Clay for Dye Waste TreatmentI Sumarlan, I Fatimah, K Wijaya
Acta Chimica Asiana 3 (1), 122-126
1
2020
Fuel production from LDPE-based plastic waste over chromium supported on sulfated zirconiaL Hauli, K Wijaya, A Syoufian
Indonesian Journal of Chemistry 20 (2), 422-429
8
2020
Physico-chemical properties of nickel promoted sulfated zirconia powder prepared using different proceduresAK Amin, W Trisunaryanti, K Wijaya
Asian Journal of Chemistry 32 (3), 555-560

2020
QSPR Models for Predicting Critical Micelle Concentration of Gemini Cationic Surfactants Combining Machine-Learning Methods and Molecular DescriptorsE Setiawan, M Mudasir, K Wijaya

2
2020
Similarity: Effect of Temperature and Catalyst to Feed Ratio on Production Biofuel from Fatty Acid of Palm Oil Industrial Sludge HydrocrackingH Hasanudin, M Faizal, M Said, K Wijaya, A Rachmat, MH Dahlan
Turnitin Universitas Sriwijaya

2020
Similarity: Hydrocracking of oil Residue from Palm oil Milt Effluent to BiofuelH Hasanudin, A Said, M Faizal, K Wijaya, MH Dahlan
Turnitin Universitas Sriwijaya

2020
Chemical modification of montmorillonite K10 and its catalytic activitySJ Sekewael, K Wijaya, T Triyono
Asian J. Chem. 32 (3), 659
5
2020
Physico-chemical properties of nano ZrO2-pillared bentonite with nickel as supporting metalM Mirzan, A Syoufian, K Wijaya
Nano Hybrids and Composites 30, 9-17
1
2020
Synthesis of Coconut Oil-based Sodium Methyl Ester Sulfonate for the Application of Enhanced Oil RecoveryKW Feda Virgin Alfauziah, Fairuz Jannah Mardhiyah, Asma Nadia
J.Idn.Chem.Soc 3 (1), 68-72
1*
2020
Preparation of Calcium Oxide/Zeolite Nanocomposite and its Application to Improve the Quality of Patchouli OilLH KARNA WIJAYA, MAISARI UTAMI, AKHMAD SYOUFIAN
Key Engineering Material 849 (-), 119-124
2
2020
Application of Quantitative Structure-Property Relationship (QSPR) Models for the Predictions of Critical Micelle Concentration of Gemini Imidazolium SurfactantsE Setiawan, K Wijaya
IOP Conference Series: Materials Science and Engineering 742 (1), 012022
4
2020
Kinetic model of crude palm oil hydrocracking over Ni/Mo ZrO2–pillared bentonite catalystH Hasanudin, A Rachmat, M Said, K Wijaya
Periodica Polytechnica Chemical Engineering 64 (2), 238-247
9
2020
Hubungan kuantitatif struktur elektronik dan aktivitas antitumor senyawa turunan amino pirimido isokuinolin kuinon dengan pendekatan regresi komponen utamaA Saputra, K Wijaya, I Tahir
Chemistry Progress 6 (1)
3
2019
Computational Study of Hydroxy Chalcone Compound as Potential Chemosensor for Cyanide AnionF Perdana, R Armunanto, K Wijaya
Prosiding CELSciTech 4, 39-42

2019
The Jahn-Teller effect in mixed aqueous solution: the solvation of Cu2+ in 18.6% aqueous ammonia obtained from ab initio quantum mechanical charge field molecular dynamicsWD Saputri, K Wijaya, HD Pranowo, TS Hofer
Pure and Applied Chemistry 91 (10), 1553-1565
7
2019
Synthesis and characterization of Ni-promoted zirconia pillared bentoniteM Mirzan, K Wijaya, II Falah, W Trisunaryanti
Journal of Physics: Conference Series 1242 (1), 012013

2019
Kinetics adsorption of heavy oil spills in rivers on magnetite-(CTAB-montmorillonite) adsorbentSH Siregar, K Wijaya, ES Kunarti, A Syoufian
IOP Conference Series: Materials Science and Engineering 509 (1), 012136
2
2019
Studi Teoritis Senyawa Turunan Kalkon Hidroksi sebagai Chemosensor AnionF Perdana, K Wijaya, R Armunanto
Indonesian Journal of Chemical Science 8 (1), 47-52

2019
Investigation of the preferential solvation and dynamical properties of Cu+ in 18.6% aqueous ammonia solution using ab initio quantum mechanical charge field (QMCF) molecular …WD Saputri, Y Hidayat, K Wijaya, HD Pranowo, TS Hofer
Journal of Molecular Liquids 275, 859-866
8
2019
STRUKTUR SOLVASI DAN SIFAT DINAMIKA ION Cu+ DAN Cu2+ DALAM PELARUT AMONIA CAIR DAN LARUTAN AMONIA: SIMULASI DINAMIKA MOLEKUL AB INITIO QUANTUM MECHANICAL CHARGE FIELD (QMCF)WD SAPUTRI
Universitas Gadjah Mada

2019
PREPARASI KOMPOSIT CaO/ZEOLIT DAN APLIKASINYA UNTUK MENINGKATKAN MUTU MINYAK NILAML Hidayatullah
Universitas Gadjah Mada

2019
PLATINA/NANOZIRKONIA TERSULFATASI: PREPARASI, KARAKTERISASI DAN APLIKASINYA UNTUK KONVERSI LIMBAH PLASTIK LDPE MENJADI BAHAN BAKAR CAIRM UTAMI
Universitas Gadjah Mada

2019
Hydrothermal preparation of a platinum-loaded sulphated nanozirconia catalyst for the effective conversion of waste low density polyethylene into gasoline-range hydrocarbonsM Utami, W Trisunaryanti, K Shida, M Tsushida, H Kawakita, K Ohto, …
RSC advances 9 (71), 41392-41401
13
2019
Chrom/Nanocomposite ZrO2-Pillared Bentonite Catalyst for Castor Oil (Ricinus communis) HydrocrackingK Wijaya, A Syoufian, A Fitroturokhmah, W Trisunaryanti, D Adi Saputra
Nano Hybrids and Composites 27, 31-37
4
2019
Hydrocracking of LDPE plastic waste into liquid fuel over sulfated zirconia from a commercial zirconia nanopowderL Hauli, K Wijaya, A Syoufian
Orient. J. Chem 35 (1), 128-133
11
2019
Effect of promoters and calcination temperature on surface and acidity of modified zirconiaAK Amin, W Trisunaryanti, K Wijaya
Journal of Nano Research 57, 31-39
4
2019
Preparation of Cr metal supported on sulfated zirconia catalystL Hauli, K Wijaya, RIA Armunanto
Materials Science Forum 948, 221-227
3
2019
Pilarisasi dan Karakterisasi MontmorillonitY Istinia, K Wijaya, I Tahir, M Mudasir
Jurnal Sains Materi Indonesia 4 (3), 1-7
2
2018
Pengaruh Pemanasan Terhadap Kristalinitas Dan Parameter Kisi Nanokomposit Silika-Zirkonia Montmorillonit K10 Dan Silika-Besi Oksida Montmorillonit K10SJ Sekewael, K Wijaya
Indonesian Journal of Chemical Research 6 (1), 38-43
7
2018
Pt-promoted sulfated zirconia as catalyst for hydrocracking of LDPE plastic waste into liquid fuelsM Utami, K Wijaya, W Trisunaryanti
Materials Chemistry and Physics 213, 548-555
39
2018
Synthesis of H/Bentonite and Ni/Al2O3-bentonite and its application to produce biogasoline from nyamplung seed (Calophyllum inophillum Linn) oil by catalytic hydrocrackingAT Marini, K Wijaya, NA Sasongko
IOP Conference Series: Earth and Environmental Science 124 (1), 012009
1
2018
SINTESIS, KARAKTERISASI DAN UJI AKTIVITAS KATALIS Ni/ZrO2-SO4 PADA REAKSI HIDRORENGKAH MINYAK KELAPA MENJADI BIOFUELNJ PUTERI
Universitas Gadjah Mada

2018
SINTESIS KATALIS Cr/ZrO2-SO4 SECARA HIDROTERMAL DAN APLIKASINYA UNTUK HIDRORENGKAH MINYAK SAWIT MENJADI BIOFUELR SAFITRI
Universitas Gadjah Mada

2018
PREPARASI KATALIS Ni/BENTONIT DAN APLIKASINYA UNTUK HIDRORENGKAH MINYAK HASIL PIROLISIS PLASTIK LDPE (LOW DENSITY POLYETHYLENE)JA PUTRA
Universitas Gadjah Mada

2018
Studi Teoritis Senyawa Turunan Kalkon Hidroksi Sebagai Sensor Kimia Berbagai AnionF Perdana, K Wijaya, R Armunanto
Jurnal Kimia Riset 3 (2), 95-101
1
2018
Kalium Hydroxide/Zirconia Pillared Bentonite for Palm Oil TransesterificationY Utubira, K Wijaya, ES Kunarti
Oriental Journal of Chemistry 34 (3), 1484
7
2018
The catalytic performance of ZrO2-SO4 and Ni/ZrO2-SO4 prepared from commercial ZrO2 in Hydrocracking of LDPE plastic waste into liquid fuelsAK Amin, K Wijaya, W Trisunaryanti
Oriental Journal of Chemistry 34 (6), 3070
7
2018
Preparation and characterization of sulfated zirconia from a commercial zirconia nanopowderL Hauli, K Wijaya, R Armunanto
Oriental Journal of Chemistry 34 (3), 1559
18
2018
Synthesis and Characterization of Natural Ca (OH) 2/KF Superbase Catalyst for Biodiesel Production from Palm OilIF Nurcahyo, K Wijaya, A Budiman, YH Taufiq-Yap
Oriental Journal of Chemistry 34 (2), 750

2018
Synthesis and Characterization of Ni-Cu Doped Zirconia-pillared BentoniteA Suseno, K Wijaya, W Trisunaryanti
Oriental Journal of Chemistry 34 (3), 1427
5
2018
Synthesis of Co, Mo, Co-Mo and Mo-Co catalysts, supported on mesoporous silica-alumina for hydrocracking of α-cellulose pyrolysis oilMF Marsuki, W Trisunaryanti, II Falah, K Wijaya
Oriental Journal of Chemistry 34 (2), 955
10
2018
Synthesis and Characteristics of the Magnetic Properties of Fe3O4–(CTAB-montmorillonite) Composites, based on Variation in Fe3+/Fe2+ ConcentrationsSH Siregar, K Wijaya, ES Kunarti, A Syoufian
Oriental Journal of Chemistry 34 (2), 716
4
2018
Synthesis of Cr/Al2O3-Bentonite Nanocomposite as the hydrocracking catalyst of Castor oilK Wijaya, AD Ariyanti, I Tahir, A Syoufian, A Rachmat
Nano Hybrids and Composites 19, 46-54
4
2018
Investigation of the structural and dynamical properties of Cu+ in liquid ammonia: a quantum mechanical charge field (QMCF) molecular dynamics studyWD Saputri, K Wijaya, R Armunanto
Indonesian Journal of Chemistry 17 (3), 531-537
6
2017
Viskositas Produk Hidrocracking Crude Oil Batubara Dengan Katalis Ni/Mo-Montmorillonit Terpilar TiO2H Hasanudin, K Wijaya, A Rahmad, W Trisunaryanti
Jurnal Penelitian Sains 11 (2)
1
2017
Synthesis and characterization of sulfated zirconia mesopore and its application on lauric acid esterificationA Rachmat, W Trisunaryanti, K Wijaya
Materials for Renewable and Sustainable Energy 6 (3), 1-9
20
2017
Material CuO/bentonit sebagai Antibakteri Escherichia coliRY FATMAWATI
Universitas Gadjah Mada

2017
KATALIS HETEROGEN SO4/ZrO2 DAN Na2O/ZrO2: PREPARASI, KARAKTERISASI, DAN APLIKASINYA UNTUK KONVERSI LOW GRADE CRUDE PALM OIL MENJADI BIODIESELMF Lestari
Universitas Gadjah Mada

2017
PERENGKAHAN KATALITIK TERHADAP MINYAK HASIL PIROLISIS PLASTIK LDPE (LOW DENSITY POLYETHYLENE) MENGGUNAKAN KATALIS Cr-ZEOLITM ANSHORI
Universitas Gadjah Mada

2017
Sintesis dan Karakterisasi Surfaktan Dietanolamida dari Minyak Goreng Bekas Terkatalsis CaO/ZeolitW Lusiana
Universitas Gadjah Mada

2017
SINTESIS SURFAKTAN NATRIUM METIL ESTER SULFONAT (Na-MES) DARI MINYAK KELAPA DENGAN OPTIMASI RASIO MOL DAN WAKTU SULFONASIA Syoufian
Universitas Gadjah Mada

2017
Konversi Gliserol Menjadi Polihidroksibutirat dengan Menggunakan Bakteri Eschericia coliEF Rahayu, W Trisunaryanti, K Wijaya
Indonesian Journal of Chemical Science 6 (3), 287-293
2
2017
Determination of effective functional monomer and solvent for R (+)-cathinone imprinted polymer using density functional theory and molecular dynamics simulation approachesA Saputra, K Wijaya, R Armunanto, L Tania, I Tahir
Indonesian Journal of Chemistry 17 (3), 516-522
3
2017
Effect of sulfuric acid treatment and calcination on commercial zirconia nanopowderM Utami, K Wijaya, W Trisunaryanti
Key Engineering Materials 757, 131-137
17
2017
Nanomaterial: Aplikasinya dalam Pembuatan BiofuelK Wijaya, K Hadi, AT Herlina, Idra, Kurnia
Gadjah Mada University Press 1, 225
3
2016
PERAN RISET KIMIA PADA PENGEMBANGAN BAHAN BAKAR NABATI (BBN) DI INDONESIA BERBASIS NON EDIBLE BIOMASSK Wijaya
PROSIDING SEMINAR KIMIA

2016
Effect of sulfuric acid concentration of bentonite and calcination time of pillared bentoniteA Mara, K Wijaya, W Trisunaryati, Mudasir
AIP Conference Proceedings 1725 (1), 020042
1
2016
Modification of natural matrix lac-bagasse for matrix composite filmsND Nurhayati, K Widjaya, Triyono
AIP Conference Proceedings 1710 (1), 030013

2016
SINTESIS KATALIS Cr-Al2O3-BENTONIT UNTUK PROSES HIDRORENGKAH MINYAK SAWITI Septiana
Universitas Gadjah Mada

2016
MATERIAL Ag2O/BENTONIT SEBAGAI ANTIBAKTERI Escherichia coliITA AZIZ
Universitas Gadjah Mada

2016
KATALIS Ni-Al2O3-BENTONIT UNTUK HIDRORENGKAH MINYAK SAWIT MENJADI BIOFUELRN ANNISA
Universitas Gadjah Mada

2016
PEMODELAN MOLEKUL DAN SINTESIS POLIMER TERCETAK MOLEKUL KOLESTEROL DENGAN MONOMER FUNGSIONAL ASAM ITAKONATM Karna Wijaya
Universitas Gadjah Mada

2016
Sintesis Dan Karakterisasi Fotokatalis Tio2 Montmorilonit Terpilar AluminaI Sumarlan, I Fatimah, K Wijaya
Jurnal Pijar Mipa 11 (2)
1
2016
Microwave Assisted Preparation and Physico-Chemical Properties of Mixed Oxides Silica-Zirconia Montmorillonite K10 NanocompositeSJ Sekewael, K Wijaya, A Budiman
Asian Journal of Chemistry 28 (10), 2325
5
2016
Study of the acidic properties of ZrO2-pillared bentoniteA Suseno, K Wijaya, W Trisunaryanti
IOP Conference Series: Materials Science and Engineering 107 (1), 012040
1
2016
Removal of free fatty acid in Palm Fatty Acid Distillate using sulfonated carbon catalyst derived from biomass wastefor biodiesel productionA Hidayat, K Wijaya, A Budiman
IOP Conference Series: Materials Science and Engineering 105 (1), 012026
7
2016
Chrome impregnated on Bentonite (Cr-Bentonite) as hydrocracking catalyst of used cooking oilR Mandey, K Wijaya, A Syoufian
Asian Journal of Chemistry 28 (2), 282
4
2016
Effect of Sulfuric Acid Treatment and Calcination on Natural Zeolites of IndonesiaA Mara, K Wijaya, WT Mudasir
Asian Journal of Chemistry 28 (1), 11
8
2016
Reaction kinetics of free fatty acids esterification in palm fatty acid distillate using coconut shell biochar sulfonated catalystA Hidayat, Rochmadi, K Wijaya, A Budiman
AIP Conference Proceedings 1699 (1), 050005
15
2015
Anionic and cationic dyes removal from aqueous solutions by adsorption onto synthetic Mg/Al hydrotalcite-like compoundE Heraldy, SJ Santosa, T Triyono, K Wijaya
Indonesian Journal of Chemistry 15 (3), 234-241
23
2015
Effect of Immersion in Cu (II)-Natural Zeolite on Copper Sorption and Colour Stability of Acrylic Resins.D Irnawati, W Widjijono, K Wijaya, W Asmara
Asian Journal of Chemistry 27 (9)

2015
Esterification of palm fatty acid distillate with high amount of free fatty acids using coconut shell char based catalystA Hidayat, K Wijaya, A Nurdiawati, W Kurniawan, H Hinode, K Yoshikawa, …
Energy Procedia 75, 969-974
59
2015
Synthesis and Characterization of ZrO2-Pillared Bentonites.A Suseno, K Wijaya, W Trisunaryanti, M Shidiq
Asian Journal of Chemistry 27 (7)
14
2015
Synthesis and Application of Alumina Pillared Bentonite Catalyst for Esterification of Acetic Acid with Different Alcohols.P Wahyuningsih, K Wijaya, W Trisunaryanti, A Mara
Asian Journal of Chemistry 27 (4)
2
2015
Microwave assisted preparation of TiO2/Al-pillared saponite for photocatalytic phenol photo-oxidation in aqueous solutionI Fatimah, K Wijaya
Arabian Journal of Chemistry 8 (2), 228-232
19
2015
Lithium (I) in liquid ammonia: A quantum mechanical charge field (QMCF) molecular dynamics simulation studyN Prasetyo, LR Canaval, K Wijaya, R Armunanto
Chemical Physics Letters 619, 158-162
20
2015
SINTESIS BIODIESEL DARI MINYAK GORENG BEKAS TERADIASI MICROWAVE DAN TERKATALISIS SO4/ZrO2 DAN Na2O/ZrO2NC Agustin
Universitas Gadjah Mada

2015
Is FatimahSP Yudha, D Rubiyanto, K Wijaya, I Sahroni
Universitas

2015
SINTESIS BIODIESEL DARI MINYAK GORENG BEKAS DENGAN BANTUAN GELOMBANG MIKRO TERKATALISIS SO4/ZrO2 DAN KOH/ZrO2SYE LASSI
Universitas Gadjah Mada

2015
KONVERSI MINYAK KELAPA BEKAS MENJADI BIODIESEL TERKATALISIS H2SO4/BENTONIT DAN KOH/BENTONITTU Raharja
Universitas Gadjah Mada

2015
Pembuatan dan Karakterisasi Kompon Karet Cair Berbasis Lateks Pekat dan Asap Cair Tempurung KelapaTD Sutanto, M DRS
Universitas Gadjah Mada

2015
SINTESIS 1, 1-DIPENTOKSIPENTANA DARI 1-PENTANOL MENGGUNAKAN KATALIS Ni/KARBON AKTIFM Karna Wijaya, II Falah
Universitas Gadjah Mada

2015
Esterification of free fatty acid on palm fatty acid distillate using activated carbon catalysts generated from coconut shellA Hidayat, K Wijaya, A Budiman
Procedia Chemistry 16, 365-371
18
2015
Effect of KOH as Stabilizer on Mechanical and Chemical Properties of Liquid Rubber CompoundTD Sutanto, B Setiaji, K Wijaya, TE Suharto
Asian Journal of Chemistry 26 (24), 8371
4
2014
Synthesis of Zn (II)/silica by sol-gel method as an antibacterial material against Escherichia coli and Staphylococcus aureusD Anggraini, K Wijaya
BIMIPA 23 (2), 186-197
3
2014
Effect of pyrolisis temperature and distillation on character of coconut shell liquid smokeJZ Lombok, B Setiaji, W Trisunaryanti, K Wijaya
Asian Journal of Science and Technology 5 (6), 320-325
43
2014
Computer Aided Design of Molecular Imprinted Polymer for Selective Recognition of CapsaicinI Tahir, K Wijaya, S Islam, MN Ahmad
Indonesian Journal of Chemistry 14 (1), 85-93
2
2014
Identification of antibacterial compound from extract coconut shell liquid smokeJZ Lombok, B Setiaji, W Trisunaryanti, K Wijaya
Research India Publications 10, 141-151

2014
Karakterisasi dan Aplikasi Katalis Nikel-Molibdenum Teremban pada Zeolit Alam Aktif untuk Hidrorengkah Tir BatubaraDJ Sugianto, K Wijaya, I Tahir
Jurnal Natur Indonesia 16 (1), 10-22
4
2014
APLIKASI METODE DFT DAN SIMULASI DINAMIKA MOLEKULER PADA KAJIAN INTERAKSI MONOMER FUNGSIONAL UNTUK DESAIN POLIMER TERCETAK R (+)-KATINONA Saputra
Universitas Gadjah Mada
1
2014
SINTESIS BIODIESEL DARI FRAKSI MINYAK CPO (CRUDE PALM OIL) PARIT MELALUI ESTERIFIKASI DAN TRANSESTERIFIKASI TERKATALISIS ZrO2/SO3-H+ DAN KOHI Herlina
Universitas Gadjah Mada

2014
Sintesis Cu (II)/Silika dengan metode sol-gel sebagai antibakteri terhadap Escherichia coli dan Staphylococcus aureusL Tania, K Wijaya, W Trisunaryanti
Bimipa 24 (2), 122-134
3
2014
Hydrocracking of used cooking oil into biofuel catalyzed by nickel-bentonite.K Wijaya, A Syoufian, SD Ariantika
Asian Journal of Chemistry 26 (13), 3785-3789
10
2014
Synthesis of biogasoline from used palm cooking oil through catalytic hydrocracking by using Cr-activated natural zeolite as catalyst.K Wijaya, M Shidiq, M Fahrurrozi
Asian Journal of Chemistry 26 (16), 5033-5038
1
2014
Synthesis, Characterization and Aplication of TiO2 Alumina Pillared Montmorillonite PhotocatalystI Sumarlan, I Fatimah, K Wijaya
EKSAKTA: Journal of Sciences and Data Analysis 13 (1-2), 22-32

2013
Electrodeposition of PbO2 on Ti Substrate in Alkaline Solution: Influence of Fluoride Ions AdditionA Mukimin, K Wijaya, A Kuncaka
Asian Journal of Chemistry 25, 3961-3965
1
2013
Peer Review Effect of Temperature and Catalyst to Feed Ratio on Production Biofuel from Fatty Acid of Palm Oil Industrial Sludge HydrocrackingM Said, M Faizal, MH Dahlan, K Wijaya, A Rachmat
Fakultas Teknik Institute Teknologi Semarang

2013
Pembimbing Pendamping Disertasi_Perengkahan Hidro Lemak Hasil Recovery dari Sludge Limbah Industri CPO menjadi Bahan Bakar Minyak dengan Katalis Ni/Mo-Monmorilonit Terpilar ZrO2H Hasanudin, M Said, M Faizal, H Dahlan, K Wijaya
Pascasarjana, Universitas Sriwijaya

2013
SINTESIS, KARAKTERISASI DAN APLIKASI ELEKTRODA Ti/PbO2 PADA ELEKTRODEGRADASI ZAT WARNA BIRU REAKTIFA MUKIMIN
Universitas Gadjah Mada

2013
SINTESIS Zn (II)/SILIKA DENGAN METODE SOL-GEL SEBAGAI BAHAN ANTIBAKTERI Esherichia coli DAN Staphylococcus aureusD ANGGRAINI
Universitas Gadjah Mada

2013
PENGGUNAAN KATALISATOR ZIRKONIA TERSULFATASI (SO4/ZrO2) dan KOH PADA PEMBUATAN BIODIESEL DARI MINYAK GORENG BEKASE Wulandari
Universitas Gadjah Mada

2013
SINTESIS METIL ESTER MINYAK JARAK (Ricinus communis L) TERKATALISIS KOH/BENTONIT DENGAN VARIASI PENAMBAHAN KOHN Puspitasari
Universitas Gadjah Mada

2013
Comparison of activated carbons prepared from Indonesian forest and agricultural residues.A Hidayat, K Wijaya, H Hinode, A Budiman
Asian Journal of Chemistry 25 (3), 1569-1575
19
2013
PENGARUH PERLAKUAN TEMPERATUR PADA SINTESIS BENTONIT TERPILAR Al2O3 TERHADAP KARAKTERNYA DAN APLIKASINYA SEBAGAI KATALIS DALAM REAKSI ESTERIFIKASI; The Effect of Temperature …P Wahyuningsih
Universitas Gadjah Mada
1
2013
Hydrocracking of palm oil into biogasoline catalyzed by Cr/natural zeolite.K Wijaya, G Baobalabuana, W Trisunaryanti, A Syoufian
Asian Journal of Chemistry 25 (16), 8981-8986
13
2013
Penggunaan metode semiempirik AM1 untuk pemilihan monomer fungsional efektif pada prasintesis polimer tercetak diazinonA Saputra, K Wijaya, MN Ahmad, I Tahir
Jurnal Kimia Valensi 3 (1)
6
2013
Hydrocracking of oil residue from palm oil mill effluent to biofuelM Said, M Faizal, MH Dahlan, K Wijaya
Sustain. Environ. Res. 22 (6), 395-400
3
2012
Website: http://www. ijc. chemistry. ugm. ac. id Email: ijcugm@ yahoo. com Vice Editor in ChiefK Wijaya, M Eng, MS Nuryono, R Armunanto, TJ Raharjo, NH Aprilita, …
INDONESIAN JOURNAL OF CHEMISTRY 12 (3)

2012
Oxidation of remazol brilliant blue r (RB. 19) with in situ electro-generated active chlorine using Ti/PbO2 electrodeA Mukimin, K Wijaya, A Kuncaka
Separation and purification technology 95, 1-9
42
2012
JURNAL DIALOG KEBIJAKAN PUBLIK” Menyoal Kebijakan Pengendalian Subsidi BBM”K Publik


2012
STUDI PENDAHULUAN PEMANFAATAN LIMBAH DESALINASI UNTUK PEMBUATAN Mg/Al HYDROTALCITE-LIKE SEBAGAI ADSORBEN METHYL ORANGEE Heraldy, D Prasasti, K Wijaya, SJ Santosa, T Triyono
Bumi Lestari Journal of Environment 12 (1), 16-23
2
2012
Preliminary study on the use of desalination waste for the manufacture of Mg/Al hydrotalcite-like methyl orange as an adsorbent.E Heraldy, D Prasasti, K Wijaya, SJ Santosa
Bumi Lestari 12 (1), 16-23

2012
Karakterisasi dan Uji Aktivitas Katalis Mordenit dan Zeolit-Y Pada Hidrorengkah Ban Bekas menjadi Fraksi Bahan BakarW Trisunaryanti, KW Triyono, AB Majid, Y Priastomo, E Febriyanti, …
Prosiding Seminar Nasional Kimia Unesa
1
2012
Biofuel di Indonesia: Prospek, Perspektif dan Strategi PengembangannyaK Wijaya
Yogyakarta: Universitas Gadjah Mada
7
2012
Hydrocracking of Oil Residue from Palm Oil Mill Effluent to Biofuel, SustainSM Hasanudin, M Faizal, MH Dahlan, K Wijaya
Environ. Res 22 (6), 395-400
11
2012
Synthesis of Mg/Al Hydrotalcite-Like from Brine Water and Its Application for Methyl Orange Removal: A Preliminary StudyE Heraldy, SJ Santosa, K Wijaya
Makara Journal of Science
11
2011
Mg/Al hydrotalcite-like synthesized from brine water for eosin yellow removalE Heraldy, T Triyono, K Wijaya, SJ Santosa
Indonesian Journal of Chemistry 11 (2), 117-123
5
2011
Synthesis and characterization of modified Ti/[alpha]-Pb [O. sub. 2] nanoporous electrode as an active material on positive electrodeA Mukimin, K Wijaya, A Kuncaka
International Journal of Applied Chemistry 7 (3), 245-259
1
2011
Effect of Aluminium Content in Aluminium Pillared Montmorillonite on Its Surface Acidity Properties.I Fatimah, K Wijaya
ITB Journal of Science
18
2011
Bioetanol skala UMKM dan home industryK Wijaya
Pusat Studi Energi UGM, Yogyakarta
4
2011
Biodiesel Dari Minyak Goreng BekasK Wijaya
Diakses dari http://www. pse. ugm. ac. id
7
2011
HIDRORENGKAH KATALITIK MINYAK SAWIT MENJADI FRAKSI BIOFUEL CAIR MENGGUNAKAN KATALIS Cr/ZEOLIT ALAM AKTIFGB Balabuana
Universitas Gadjah Mada

2011
PEMBERDAYAAN MASYARAKAT MENUJU DESAMANDIRI ENERGI MELALUI PENGOLAHAN SAMPAH BUAH JAMBU METE DAN UMBI-UMBIAN MENJADI BIOETANOL DI DESA KARANGMOJO, KECAMATAN KARANGMOJO …K Wijaya
JURNAL ILMU PENGETAHUANDAN TEKNOLOGI TEPATGUNA UNIVERSITAS GADJAH MA 1 (2011)

2011
Electro-degradation of reactive blue dyes using cylinder modified electrode: Ti/β-PbO 2 as dimensionally stable anodeA Mukimin, K Wijaya, A Kuncaka
Indonesian Journal of Chemistry 10 (3), 285-289
8
2010
Composites of TiO2-aluminum pillared montmorillonite: synthesis, characterization and photocatalytic degradation of methylene blueI Fatimah, S Wang, K Wijaya
Applied clay science 50 (4), 588-593
48
2010
PEMANFAATAN KATALIS NI/ZEOLIT PADA HIDROGENASI KATALITIK ETIL PALMITAT MENJADI SETIL ALKOHOLD Kartika, T Triyono, K Wijaya, DSPHDS PH
Molekul 5 (2), 83-88
2
2010
EFFECT OF SCANDIUM ON HIDROGEN DISSOCIATION ENERGY AT MAGNESIUM SURFACE: AB INITIO DFT STUDYIW Sutapa, R Armunanto, K Wijaya
Indonesian Journal of Chemistry 10 (2), 184-188
3
2010
Controlling Factor In Alumina Pillared Saponite and Alumina Pillared Montmorillonite SynthesisI Fatimah, N Narsito, K Wijaya
Indonesian Journal of Chemistry 9 (1), 5-12
1
2010
Titanium oxide dispersed on natural zeolite (TiO 2/Zeolite) and its application for congo red photodegradationI Fatimah, E Sugiharto, K Wijaya, I Tahir, K Kamalia
Indonesian Journal of Chemistry 6 (1), 38-42
41
2010
PHOTODEGRADATION OF ALIZARIN S DYE USING TiO 2-ZEOLITE AND UV RADIATIONK Wijaya, E Sugiharto, I Fatimah, I Tahir, R Rudatiningsih
Indonesian Journal of Chemistry 6 (1), 32-37
10*
2010
Synthesis Of Iron Oxide-Montmorillonite Composite And Study Of Its Structural Stability Againts Sulfuric AcidK Wijaya, E Sugiharto, M Mudasir, I Tahir, I Liawati
Indonesian Journal of Chemistry 4 (1), 33-42
9
2010
THE INTERACTION OF Co 2+-AMMONIA MODELLING: THE COMPARATIVE STUDY BETWEEN AB INITIO AND ELECTRON CORRELATION METHODSHD Pranowo, F Foliatini, K Wijaya
Indonesian Journal of Chemistry 2 (2), 67-73

2010
QSAR study of flavone/flavonol analogues as the antiradical compounds based on Hansch analysisI Tahir, K Wijaya, B Purwono, D Widianingsih
Indonesian Journal of Chemistry 3 (1), 48-54
8
2010
MODELING OF ALKYL SALICYLATE COMPOUNDS AS UV ABSORBER BASED ON ELECTRONIC TRANSITION BY USING SEMIEMPIRICAL QUANTUM MECHANICS ZINDO/s CALCULATIONI Tahir, K Wijaya, T Subarni
Indonesian Journal of Chemistry 2 (1), 64-72
2
2010
DETERMINATION OF MANY-BODY EFFECT OF [Co (NH 3) n] 2+(n= 1-6) COMPLEXES BASE ON AB INITIO CALCULATIONSHD Pranowo, K Wijaya, B Setiaji, RS Janu
Indonesian Journal of Chemistry 2 (1), 1-7
1
2010
Nanomaterial Berlapis dan Berpori : Sintesis, Karakterisasi, dan Peranannya sebagai Material Multifungsi (Pidato Pengukuhan Guru Besar UGM)K Wijaya


2010
Nanomaterial berlapis dan berpori: sintesis, karakterisasi dan perannya sebagai material multi fungsiK Wijaya
Universitas Gajah Mada, Fakultas Matematika dan Ilmu Pengetahuan Alam …
10
2010
PREPARATION OF ZIRCONIUM DISPERSED IN ALUMINIUM PILLARED MONTMORILLONITE AND ITS ACTIVITY IN PHENOL HYDROXYLATIONIS FATIMAH, NARSITO, K WIJAYA
Chemical, Biological And Environmental Engineering, 133-137

2010
HYDROTALCITE-LIKE SYNTHESIS USING MAGNESIUM FROM BRINE WATERE HERALDY, TRIYONO, SRIJ SANTOSA, K WIJAYA, D PRASASTI, …
Chemical, Biological And Environmental Engineering, 246-248

2010
Asam Padat Berbasis Montmorilonit sebagai Katalis dalam Proses Pembuatan Biodiesel dari Minyak JelantahK Wijaya
Advanced Material Workshop I
6
2009
Konversi lemak ayam menjadi biodiesel dengan katalis zeolit alam teraktivasi H2SO4 dan NaOHK HADI
Universitas Gadjah Mada
1
2009
Preparation and catalytic activity for isopropyl benzene cracking of Co, Mo and Co/Mo-Al 2 O 3-pillared montmorillonite catalystsH Hasanudin, K Wijaya, B Santoso
Indonesian Journal of Chemistry 9 (2), 189-194
2
2009
TiO2 dispersion in aluminium pillared clays by different precursorsI Fatimah, S Wang, N Narsito, K Wijaya
Naresuan University Science Journal 6 (S1), 132-138

2009
Photocatalytic degradation of methylene blue by TiO2/Aluminium pillared montmorillonite under UV illuminationI Fatimah, K Wijaya, N Narsito, S Wang
Proceeding of ISSTEC 2009, 1349-1353

2009
Preparation of TiO2/Aluminium Pillared Montmorillonite and its Application for Methylene Blue Photodegradation under UV IlluminationI Fatimah, K Wijaya, N Narsito, S Wang
World journal of Chemistry 4, 21-26
9
2009
Prediksi Tipe Aktivitas Senyawa Tabir Surya Homosalat Berdasarkan Analisis Spektra Transisi Elektronik Pada Konfigurasi Bentuk Dimer dan Solut-SolvenI Tahir, K Wijaya, A Ahmadi
Seminar Nasional Kimia XVIII, Yogyakarta 10
3
2008
CONTROLLINGFACTORIN ALUMINA PilLARED SAPONITEAND ALUMINA PilLARED MONTMORillONITE SYNTHESISI Fatlmah, KW Narsito
Indonesian Journal of Chemistry 9 (2009)

2008
Preparasi dan Karakterisasi Komposit Kromium Oksida-MontmorillonitIMS Negara, K Wijaya, E Sugiharto
Jurnal Kimia 2 (2), 93
1
2008
A comparative study on aluminium pillared smectite synthesis from synthetic saponite and Indonesian montmorilloniteI Fatimah, S Wang, K Wijaya
ASEAN Journal of Chemical Engineering 8 (1 & 2), 70-78
7
2008
Synthesis ZrO2-montmorillonite and application as catalyst in catalytic cracking of heavy fraction of crude oilI Fatimah, K Wijaya, KH Setyawan
Bulletin of Chemical Reaction Engineering & Catalysis 3 (1-3), 9
15
2008
Analisis Spektra Transisi Elektronik Senyawa Tabir Surya MAA’S-GLY pada Konfigurasi Dimer dan Konfigurasi Solut-EtanolI Tahir, K Wijaya, A Ahmadi
BIMIPA 17 (2), 23-32
3
2007
Pemodelan Molekul Senyawa Berpotensi Sunscreen Berbasis Struktur Molekul Mycosporine-Like Amino Acids-GlycineI Tahir, K Wijaya, R Damayanti
Austrian Indonesian Centre for Computational Chemistry (AIC), FMIPA …
1
2007
Effect of palm empty bunch ash on transesterification of palm oil into biodieselJ Sibarani, S Khairi, Y Yoeswono, K Wijaya, I Tahir
Indonesian Journal of Chemistry 7 (3), 314-319
22
2007
Base-specific and enantioselective studies for the DNA binding of iron (II) mixed-ligand complexes containing 1, 10-phenanthroline and dipyrido [3, 2-a: 2′, 3′-c] phenazineK Wijaya, ET Wahyuni, H Inoue, N Yoshioka
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 66 (1 …
42
2007
Preparation and Characterization of Tio 2-Zeolite and its Application to Degrade Textille Wastewater by Photocatalytic MethodY Utubira, K Wijaya, T Triyono, E Sugiharto
Indonesian Journal of Chemistry 6 (3), 231-237
22
2006
Salt-dependent binding of iron (II) mixed-ligand complexes containing 1, 10-phenanthroline and dipyrido [3, 2-a: 2′, 3′-c] phenazine to calf thymus DNAK Wijaya, ET Wahyuni, N Yoshioka, H Inoue
Biophysical chemistry 121 (1), 44-50
20
2006
Utilisasi TiO2-zeolit dan sinar uv untuk fotodegradasi zat warna congo redK Wijaya, E Sugiharto, I Fatimah, S Sudiono, D Kurniaysih
Teknoin 11 (3)
80
2006
Zeolit termodifikasi TiO2 dan aplikasinya sebagai fotokatalis untuk menurunkan angka COD limbah cair industri tekstilM MIRZAN
Universitas Gadjah Mada

2006
Modifikasi zeolit alam dengan TiO2 dan aplikasinya sebagai fotokatalis dalam reaksi degradasi untuk menurunkan angka COD limbah cair industri tekstilY UTUBIRA
Universitas Gadjah Mada

2006
Kamalia, 2006, Titan Dioksida Terdispersi Pada Zeolit Alam (TiO 2/Zeolit) dan Aplikasinya untuk Fotodegradasi Congo Red, IndoI Fatimah, E Sugiharto, K Wijaya, I Tahir
Indonesian Journal of Chemistry 69 (1), 38-42
11
2006
Pengaruh Metode Preparasi Terhadap Karakter Fisikokimiawi Montmorillonit Termodifikasi ZrO2I Fatimah, K Wijaya
Akta Kimindo 1 (2), 87-92
10
2006
Pengaruh Konsentrasi Logam Ti terhadap Karakter Fisikokimiawi TiO₂-Zeolit dan Pemanfaatan TiO₂-Zeolit untuk Fotodegradasi Metilen BiruI Fatimah, K Wijaya
Universitas Islam Indonesia

2005
Preparasi komposit Krom Oksida-Montmorillonit dan aplikasinya untuk sorpsi BenzenaI NEGARA
Universitas Gadjah Mada
8
2005
Sintesis Fe2O3-Monmorillonite dan Aplikasinya sebagai Fotokatalis untuk Degradasi Zat Pewarna Congo RedK Wijaya, I Tahir, N Haryanti
Indonesian Journal of Chemistry 5 (1), 41-47
8
2005
Synthesis Of Fe 2 O 3-Montmorillonite And Its Application As A Photocatalyst For Degradation Of Congo Red DyeK Wijaya, I Tahir, N Haryanti
Indonesian Journal of Chemistry 5 (1), 41-47
8
2005
Fotodegradasi Zat Warna Methyl Orange Menggunakan Fe2O3-Montmorillonit dan Sinar UltravioletY Dhamayanti, K Wijaya, I Tahir
Proseding Seminar Nasional DIES ke 50 FMIPA UGM, 22-29
11
2005
Sintesis TiO2/zeolit sebagai fotokatalis pada pengolahan limbah cair industri tapioka secara adsorpsi-fotodegradasiI Fatimah, K Wijaya
Teknoin 10 (4)
66
2005
Pemodelan Molekul Senyawa Mycosporine-Like Amino Acids (MAAs-LIKE) sebagai Senyawa Penyerap Sinar UVI Tahir, K Wijaya, II Falah, R Damayanti
Prosiding Seminar Nasional Hasil Penelitian MIPA, Fakultas MIPA Universitas …
3
2004
Polysulfonylamine, CLXX [1]. Wasserstoffbrücken in kristallinen Onium-dimesylamiden: Drei Strukturen mit NH2-substituierten 1, 3, 5-Triazinium-Kationen (einschließlich …K Wijaya, O Moers, D Henschel, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 59 (7), 747-756
9
2004
DNA-Binding Properties of Iron (II) Mixed-Ligand Complexes Containing 1, 10-Phenanthroline and Dipyrido [3, 2-a: 2’, 3’-c] phenazineK Wijaya, DH Tjahjono, N Yoshioka, H Inoue
Zeitschrift für Naturforschung B 59 (3), 310-318
14
2004
Original Communications-Polysulfonylamines, CLXX. Hydrogen Bonding in Crystalline Onium Dimesylamides: Three Structures Involving NH2-Substituted 1, 3, 5-Triazinium Cations …K Wijaya, O Moers, D Henschel, A Blaschette, PG Jones
Zeitschrift fur Naturforschung B-Journal of Chemical Sciences 59 (7), 747-756

2004
Original Communications-Polysulfonylamines, CLXVII. Hydrogen Bonding in Crystalline Onium Dimesylamides: A Robust Three-Point Pattern Integrated into a 2D, a Two-fold …K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift fur Naturforschung B-Journal of Chemical Sciences 59 (1), 17-26

2004
Preparasi komposit besi oksida-Montmorilonit dan aplikasinya sebagai adsorben senyawa benzenaSJ SEKEWAEL
Universitas Gadjah Mada
1
2004
Sintesis lempung montmorillonit terpilar Fe2O3 dan kajian sifat-sfat kimia fisiknya= Synthesis of Fe2O3 pillared montmorillonite clay and study of its physico-chemical propertiesIAG Widihati, K Wijaya, MU Yahya
Sains dan Sibernatika 17 (2004)

2004
Interaction of Iron (II) Mixed-Ligand Complexes With DNA: Base-Pair Specificity and Thermal denaturation StudiesM Mudasir, K Wijaya, ET Wahyuni, H Inoue
Indonesian Journal of Chemistry 4 (3), 174-179
3
2004
Polysulfonylamine, CLXVII [1]. Wasserstoffbrücken in kristallinen Onium-dimesylamiden: Ein robustes Dreipunktmuster als Bestandteil eines 2D-, eines zweifach verwobenen 2D-und …K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 59 (1), 17-26
1
2004
Polysulfonylamines, CLXX. Hydrogen Bonding in Crystalline Onium Dimesylamides: Three Structures Involving NH~ 2-Substituted 1, 3, 5-Triazinium Cations (Including Melaminium)(In …K Wijaya, O Moers, D Henschel, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG B 1 (7), 747-756

2004
Aplikasi Pemisahan Data Secara Acak pada Analisis Hubungan Kuantitatif Struktur Elektronik dan Aktivitas Senyawa IndolialkilaminaI Tahir, K Wijaya, ESY Putri
Seminar Nasional Hasil Penelitian Farmasi, 190-200
2
2004
Analisis In Silico Senyawa Tabir Surya Alkil Sinamat Berdasarkan Perhitungan Transisi Elektronik dengan Metoda ZINDO/sI Tahir, K Wijaya, T Subarni, TD Wahyuningsih
Jurnal Farmasi Sains dan Komunitas, II (3), 230-240
3
2004
Polysulfonylamines, CLXVII. Hydrogen Bonding in Crystalline Onium Dimesylamides: A Robust Three-Point Pattern Integrated into a 2D, a Two-fold Interwoven 2D, or a 3D Hydrogen …K Wijaya, O Moers, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG B 59 (1), 17-26
6
2004
DNA binding of iron (II) complexes with 1, 10-phenanthroline and 4, 7-diphenyl-1, 10-phenanthroline: salt effect, ligand substituent effect, base pair specificity and binding …K Wijaya, N Yoshioka, H Inoue
Journal of inorganic biochemistry 94 (3), 263-271
59
2003
SINTESIS KATALIS MESOPORI LEMPUNG TERPILAR SOL SILIKA BERPENGEMBAN Ni, Zr DAN TI DARI LEMPUNG ALAM BOYOLALI UNTUK HIDRORENGKAH FRAKSI BERAT MINYAK BUMI MINASA Darmawan, S SRIATUN, Y ARRYANTO, K WIJAYA
UNIVERSITAS DIPONEGORO
2
2003
Terapan Analisis Hansch Untuk Aktivitas Antioksidan Senyawa Turunan FlavonI Tahir, K Wijaya, D Wdianingsih, B Purwono
Flavonol. Jogjakarta. Makalah Seminar Khemometri. Jurusan Kimia FMIPA UGM
10
2003
SINTESIS PILLARED-BENTONITE DAN APLIKASINYA UNTUK PHOTO-FUNCTIONAL MATERIALSK Wijaya
text

2003
PEMBUATAN KOMPLEKS MIXED-LIGAND BESI (II) SEBAGAI SENYAWA INTERKALATOR DNAKW Mudasir, DH Tjahjono
Lembaga Penelitian UGM

2003
Terapan analisis hansch untuk aktivitas antioksidan senyawa turunan flavon/flavonolI Tahir, K Wijaya, D Widianingsih
Makalah Seminar Khemometri 25
33
2003
Seminar on Chemometrics-Chemistry Dept Gadjah Mada UniversityI Tahir, K Wijaya, D Widianingsih
Terapan Analisis Hansch Untuk Aktivitas Antioksidan senyawa Turunan Flavon …
11
2003
STUDY OF DOUBLE PROTONS MIGRATION MECHANISM IN SUPRAMOLECULAR STRUCTURES OF ACETIC ACID-WATER AND ACETIC ACID-AMMONIA BY AB INITIO METHODK Wijaya, I Tahir, H Harnowo
Indonesian Journal of Chemistry 3 (2), 102-110
2
2003
Hubungan kuantitatif struktur-aktivitas antiradikal senyawa turunan flavon/flavonol berdasarkan pendekatan Free-WilsonI Tahir, K Wijaya, D Widianingsih
Pros. Semin. Nas. Kim. Fis. III
5
2003
Polysulfonylamine, CLXI. Ein neuartiges 1, 2-Dihydroimidazochinolinylium-Kation: Zufällige Isolierung und Kristallstruktur des entsprechenden Dimesylamids Polysulfonylamines …K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 57 (11), 1277-1281
1
2002
Polysulfonylamine, CLIX [1]. Eine Vielfalt supramolekularer Synthone in zwei Molekülkomplexen von Di (4-halogenbenzolsulfonyl) aminen mit Sauerstoffbasen/Polysulfonylamines …T Hamann, K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 57 (10), 1152-1164

2002
Polysulfonylamine, CLIII [1]. Schwache Wasserstoffbrücken mit aktivierten Methyldonoren: Kristallstrukturen von Cholinium-, Betainium-und Dimethyl [2-(dimethylamino) ethyl …D Henschel, O Moers, K Wijaya, A Wirth, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 57 (5), 534-546

2002
Polysulfonylamine, CLI [1]. Starke und schwache Wasserstoffbrücken in den Kristallstrukturen von 8-Hydroxychinolinium-und 8-Aminochinolinium-dimesylamid/Polysulfonylamines, CLI …D Henschel, O Moers, K Wijaya, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 57 (5), 524-533
1
2002
Sintesis lempung terpilar Cr2O3 dan pemanfaatannya sebagai inang senyawa p-nitroanalinK Wijaya, I Tahir, A Bakuni
Indonesia Jurnal of Chemistry 2 (1), 12-21
4
2002
Sintesis lempung Montmorillonit terpilar Fe2O3 dan kajian sifat-sifat fisiknyaIAG Widihati
Universitas Gadjah Mada
2
2002
Analisis regresi linear multivariabel:: Hubungan kuantitatif struktur molekul dan sifat fisika (Titik didih, titik leleh dan kerapatan) berbagai senyawa organikM YAPIN
Universitas Gadjah Mada

2002
Studi Kestabilan Termal dan Asam Lempung BentonitK Wijaya, SA Pratiwi, S Sudiono, E Nurahmi
Journal of Chemistry 2 (1), 22-29
14*
2002
Hubungan Kuantitatif Antar Struktur Molekul dan Titik Leleh dari Berbagai Senyawa OrganikI Tahir, K Wijaya, MU Yahya
Indonesia Journal of Chemistry 2 (2), 83-90
3
2002
Multifunction of Layered And Porous MaterialsK Wijaya
Indonesian Journal of Chemistry 2 (3), 142-154
4
2002
Polysulfonylamines, CLXI. A Novel 1, 2-Dihydroimidazoquinolinylium Cation: Serendipitous Isolation and Crystal Structure of the Corresponding Dimesylamide (In German)K Wijaya, O Moers, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG B 57 (11), 1277-1281

2002
Determination Of Many-Body Effect Of [Co (NF13) â] 2*(n= 1-6)= Penentuan Pengaruh Badan-Banyak Pada Kompleks [Co (NH,), J2*(n= 1-6) Berdasarkan Perhitungan Ab InitioHD Pranowo, K Wijaya, B Setiaji, RS Janu
Indonesian Journal of Chemistry 2 (2002)

2002
Quantitative Relationships Between Molecular Structure and Melting Point Of Several Organic CompoundsI Tahir, K Wijaya, MU Yahya, M Yapin
Indonesian Journal of Chemistry 2 (2), 83-90
1
2002
A ROBUST EIGHT–MEMBERED RING MOTIF IN THE HYDROGEN-BONDED STRUCTURE OF-(PHENYLAMINO) PYRIDINIUM-DI (METHANESULFONYL) AMIDATEK Wijaya, I Tahir, A Blaschette, O Mours, PG Jones
Indonesian Journal of Chemistry 2 (1), 73-78

2002
Polysulfonylamine, CLIX [1]. A Variety of Supramolecular Synthons in Two Molecular Complexes of Di (4-halobenzenesulfonyl) amines with Oxygen BasesT Hamann, K Wijaya, O Moers, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG B 57 (10), 1152-1164
4
2002
Polysulfonylamines, CLI. Strong and Weak Hydrogen Bonding in the Crystal Structures of 8-Hydroxyquinolinium and 8-Aminoquinolinium DimesylamideD Henschel, O Moers, K Wijaya, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG B 57 (5), 524-533
2
2002
Polysulfonylamines, CLIII. Weak Hydrogen Bonding with Activated Methyl Donors: Crystal Structures of Cholinium, Betainium and Dimethyl [2-(dimethylamino) ethyl] ammonium …D Henschel, O Moers, K Wijaya, A Wirth, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG B 57 (5), 534-546
10
2002
THE SYNTHESIS OF Cr 2 O 3-PILLARED MONTMORILLONITE (CrPM) AND ITS USAGE FOR HOST MATERIAL OF p-NITROANILINEK Wijaya, I Tahir, A Baikuni
Indonesian Journal of Chemistry 2 (1), 12-21
15
2002
Multifunction Of Layered And Porous Materials= Bahan Berlapis dan Berpori Sebagai Bahan MultifungsiK Wijaya
Indonesian Journal of Chemistry 2 (2002)
4
2002
Fotodegradasi Metilen Biru Menggunakan Katalis TiO2-Montmorilonit dan Sinar UVIK Sumerta, K Wijaya, I Tahir
Paper dipresentasikan pada Seminar Nasional Pendidikan Kimia, Yogyakarta …
11
2002
Polysulfonylamine, CXLII [1]. Ein supramolekulares Monomer-Dimer-Paar: Starke und schwache Wasserstoffbrücken in den Kristallstrukturen von Pyridinium-dimesylamid und 4, 4 …O Moers, I Lange, K Wijaya, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 56 (10), 1041-1051

2001
Polysulfonylamine, CXLIII [1], Rolle schwacher Wasserstoffbrücken (C-H··· O) in den Kristallstrukturen von 2, 6-Dimethylpyridinium-, 1-Hydroxypyridinium-und Imidazolium …O Moers, K Wijaya, T Hamann, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 56 (10), 1052-1062

2001
Polysulfonylamines. CXXXII.K Wijaya, O Moers, PG Jones, A Blaschette
Acta Crystallographica Section C: Crystal Structure Communications 57 (2 …
8
2001
Original Communications-Polysulfonylamines, CXLII. A Supramolecular Monomer-Dimer Pair: Strong and Weak Hydrogen Bonding in the Crystal Structures of Pyridinium Dimesylamide andO Moers, I Lange, K Wijaya, A Blaschette, PG Jones
Zeitschrift fur Naturforschung B-Journal of Chemical Sciences 56 (10), 1041-1051

2001
Original Communications-Polysulfonylamines, CXLIII. Role of Weak Hydrogen Bonds (CH… O) in the Crystal Structures of 2, 6-Dimethylpyridinium, 1-Hydroxypyridinium and …O Moers, K Wijaya, T Hamann, A Blaschette, PG Jones
Zeitschrift fur Naturforschung B-Journal of Chemical Sciences 56 (10), 1052-1062

2001
Preparasi dan karakterisasi lempung montmorillonit teraktivasi asam terpilar TiO2IN SIMPEN
Universitas Gadjah Mada
15
2001
Polysulfonylamines, CXLII. A supramolecular monomer-dimer pair: Strong and weak hydrogen bonding in the crystal structures of pyridinium dimesylamide and 4, 4′-bipyridinediium …O Moers, I Lange, K Wijaya, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG B 56 (10), 1041-1051
5
2001
Polysulfonylamines, CXLIII. Role of Weak Hydrogen Bonds (CH… O) in the Crystal Structures of 2, 6-Dimethylpyridinium, 1-Hydroxypyridinium and Imidazolium DimesylamideO Moers, K Wijaya, T Hamann, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG B 56 (10), 1052-1062
6
2001
Polysulfonylamines, CXXVII-Hydrogen bonding in crystalline onium dimesylamides: A robust eight-membered ring synthon as a component in three-dimensional hydrogen bonding patternsK Wijaya, O Moers, D Henschel, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION BA JOURNAL OF CHEMICAL SCIENCES 55 (8 …
2
2000
Polysulfonylamine, CXXVII [1] Wasserstoffbrücken in kristallinen Onium-dimesylamiden: Ein robustes Achtring-Synthon als Bestandteil dreidimensionaler Wasserstoffbrückenmuster …K Wijaya, O Moers, D Henschel, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 55 (8), 753-762
4
2000
Polysulfonylamine, CXXVI [1] Wasserstoffbrücken in kristallinen Onium-dimesylamiden: Ein robustes Achtring-Synthon in Koexistenz mit einem dritten Wasserstoffbrückenmotiv …O Moers, K Wijaya, I Lange, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 55 (8), 738-752

2000
Polysulfonylamines, CXXVI-Hydrogen bonding in crystalline onium dimesylamides: A robust eight-membered ring synthon in coexistence with a third hydrogen bonding motif …O Moers, K Wijaya, I Lange, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION BA JOURNAL OF CHEMICAL SCIENCES 55 (8 …
8
2000
Polysulfonylamine, CXXV [1]. Neue Komplexe von Disulfonylaminen mit Kronenethern-im voraus entworfen oder zufällig entdeckt/Polysulfonylamines, CXXV [1]. New Complexes of …D Henschel, K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 55 (3-4), 299-316

2000
Polysulfonylamines, CXXV. New complexes of disulfonylamines with crown ethers-Preconceived or discovered by serendipityD Henschel, K Wijaya, O Moers, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION BA JOURNAL OF CHEMICAL SCIENCES 55 (3 …
2
2000
Sintesis Lempung Monmorilonit Terpilar Berbahan Baku Bentonit Alam Indonesia dan Aplikasinya Sebagai Katalis, Bahan Foto-Fungsional dan AdsorbenK Wijaya
Universitas Gadjah Mada, Yogyakarta
2
2000
Original Communications-Polysulfonylamines, CXXVII. Hydrogen Bonding in Crystalline Onium Dimesylamides: A Robust Eight-Membered Ring Synthon as a Component in Three …K Wijaya, O Moers, D Henschel, A Blaschette, PG Jones
Zeitschrift fur Naturforschung B-Journal of Chemical Sciences 55 (8), 753-762

2000
Lempung Terpilar (Pillared Clay) sebagai Material MultigunaK Wijaya
Jurnal Ilmu Kimia, FMIPA UIII, Yogyakarta 1, 1-10
9
2000
Original Communications-Polysulfonylamines, CXXVI. Hydrogen Bonding in Crystalline Onium Dimesylamides: A Robust Eight-Membered Ring Synthon in Coexistence with a Third …O Moers, K Wijaya, I Lange, A Blaschette, PG Jones
Zeitschrift fur Naturforschung B-Journal of Chemical Sciences 55 (8), 738-752

2000
Original Communications-Polysulfonylamines, CXXV. New Complexes of Disulfonylamines with Crown Ethers-Preconceived or Discovered by Serendipity (In German)D Henschel, K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift fur Naturforschung B-Journal of Chemical Sciences 55 (3-4), 299-316

2000
Polysulfonylamine, CXIX Wasserstoffbrücken in kristallinen Onium-dimesylamiden: Ein antidromes Achtringmuster als robustes supramolekulares Synthon-Drei prototypische …K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 54 (11), 1441-1449
5
1999
Polysulfonylamine, CXVIII Wasserstoffbrücken in kristallinen Onium-dimesylamiden: Drei prim.-Ammonium-dimesylamide mit zwei-oder dreidimensionalen Wasserstoffbrückenmustern …D Henschel, O Moers, K Wijaya, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 54 (11), 1431-1440

1999
Polysulfonylamines, CXVIII-Hydrogen bonding in crystalline onium dimesylamides: Three prim.-ammonium dimesylamides exhibiting two-or three-dimensional hydrogen bond patternsD Henschel, O Moers, K Wijaya, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION BA JOURNAL OF CHEMICAL SCIENCES 54 …
1
1999
Polysulfonylamine, CXVII Wasserstoffbrücken in kristallinen Onium-dimesylamiden: Sechs systematisch variierte sek.-Ammonium-dimesylamide mit sechs verschiedenen null-, ein-oder …O Moers, K Wijaya, D Henschel, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 54 (11), 1420-1430
4
1999
Polysulfonylamines, CXVII [1]-Hydrogen bonding in crystalline onium dimesylamides: Six systematically varied sec-ammonium dimesylamides exhibiting six different zero-, one-, or …O Moers, K Wijaya, D Henschel, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION BA JOURNAL OF CHEMICAL SCIENCES 54 …
1
1999
1, 4, 7, 10-Tetraoxacyclododecane–acetone thiosemicarbazone (1/2)O Moers, K Wijaya, PG Jones, A Blaschette
Acta Crystallographica Section C: Crystal Structure Communications 55 (9 …
11
1999
Polysulfonylamines. CIX. 1, 2, 4-Triazolium di (methanesulfonyl) amidateO Moers, K Wijaya, PG Jones, A Blaschette
Acta Crystallographica Section C: Crystal Structure Communications 55 (5 …
11
1999
Polysulfonylamine, CXII. Neues aus der Festkörperchemie der 2-Pyridone: Isolierung und Röntgenstrukturen von Bis (2-pyridon) hydrogen (I)-und Bis (6-methyl-2-pyridon) hydrogen …K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 54 (5), 643-648

1999
Polysulfonylamines. CX. Hydroxylammonium di (methanesulfonyl) amidate 1, 4, 7, 10, 13, 16-hexaoxacyclooctadecane (1/1/1) and 2-aminopyridinium di (methanesulfonyl) amidate 1, 4 …D Henschel, K Wijaya, PG Jones, A Blaschette
Acta Crystallographica Section C: Crystal Structure Communications 55 (4 …
4
1999
Original Communications-Polysulfonylamines, CXVII. Hydrogen Bonding in Crystalline Onium Dimesylamides: Six Systematically Varied sec-Ammonium Dimesylamides Exhibiting Six …O Moers, K Wijaya, D Henschel, A Blaschette, RG Jones
Zeitschrift fur Naturforschung B-Journal of Chemical Sciences 54 (11), 1420-1430

1999
Original Communications-Polysulfonylamines, CXII. A Novel Solid-State Aspect of 2-Pyridones: Isolation and X-Ray Structures of Bis (2-pyridone) hydrogen (l) and Bis (6-methyl-2 …K Wijaya, O Moers, A Blaschette, RG Jones
Zeitschrift fur Naturforschung B-Journal of Chemical Sciences 54 (5), 643-648

1999
Original Communications-Polysulfonylamines, CXVIII. Hydrogen Bonding in Crystalline Onium Dimesylamides: Three prim-Ammonium Dimesylamides Exhibiting Two-or Three-Dimensional …D Henschel, O Moers, K Wijaya, A Blaschette, PG Jones
Zeitschrift fur Naturforschung B-Journal of Chemical Sciences 54 (11), 1431-1440

1999
POLYSULFONYLAMINES, CXIX [1, 2]: HYDROGEN BONDING IN CRYSTALLINE ONIUM DIMESYLAMIDES: AN ANTIDROMIC EIGHT-MEMBERED RING PATTERN AS A ROBUST SUPRAMOLECULAR SYNTHON-THREE …K Wijaya, O Moers, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG 54 (11), 1441-1449

1999
Nichtkovalente Disulfonylamin-Derivate: Onium-Salze und CoronaplexeW Karna


1999
Nichtkovalente Disulfonylamin-Derivate: Onium-Salze und CoronaplexeK Wijaya
na

1999
Polysulfonylamines, CXII. A Novel Solid-State Aspect of 2-Pyridones: Isolation and X-Ray-, Structures of Bis (2-pyridone) hydrogen (I) and Bis (6-methyl-2-pyridone) hydrogen (I …K Wijaya, O Moers, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG B 54 (5), 643-648
5
1999
Original Communications-Polysulfonylamines, CXIX. Hydrogen Bonding in Crystalline Onium Dimesylamides: An Antidromic Eight-Membered Ring Pattern as a Robust Supramolecular …K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift fur Naturforschung B-Journal of Chemical Sciences 54 (11), 1441-1449

1999
Benzo-18-krone-6-Acetonitril (1/2): Kristallisation und Tieftemperatur-Röntgenstrukturanalyse/Benzo-18-crown-6-Acetonitrile (1/2): Crystallization and Low-Temperature X-Ray …K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 53 (12), 1528-1530

1998
Polysulfonylamines. CVI. 1, 4, 7, 10, 13, 16-Hexaoxacyclooctadecane–Dimethyl Sulfoxide–Bis (4-fluorophenylsulfonyl) amine (1/2/2)K Wijaya, O Moers, A Blaschette, PG Jones
Acta Crystallographica Section C: Crystal Structure Communications 54 (11 …
5
1998
Polysulfonylamines. CI. 1, 4, 7, 10-Tetraoxacyclododecane–Di (benzenesulfonyl) amine (1/2)K Wijaya, O Moers, PG Jones, A Blaschette
Acta Crystallographica Section C: Crystal Structure Communications 54 (6 …
8
1998
BENZO-18-KRONE-6: ACETONITRIL (1K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift für Naturforschung. B, A journal of chemical sciences 53 (12 …
1
1998
Polysulfonylamine, XCVI [1]. Homokonjugate aus Di (organosulfonyl) aminen und ihren konjugierten Anionen: Vier Kristallstrukturen mit asymmetrischen [N-H··· N …K Wijaya, D Henschel, O Moers, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 52 (10), 1219-1228

1997
Polysulfonylamine, XCVII [1] Di (organosulfonyl) amine und ihre konjugierten Anionen als simultane Baugruppen in zwei supramolekularen Strukturen/Polysulfonylamines, XCVII [1 …D Henschel, K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 52 (10), 1229-1236

1997
Polysulfonylamines. 97. Di (organosulfonyl) amines and their conjugate anions as simultaneous building blocks in two supramolecular structuresD Henschel, K Wijaya, O Moers, A Blaschette, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION BA JOURNAL OF CHEMICAL SCIENCES 52 …
1
1997
Polysulfonylamine, XC [1] Carbonsäure-Dimere, Wasser-Dimere und 18-Krone-6-Moleküle als Baugruppen eines supramolekularen Kettenpolymers: Darstellung und Struktur von (CH2CH2O …K Wijaya, O Moers, A Blaschette, PG Jones
Zeitschrift für Naturforschung B 52 (8), 997-1002

1997
Polysulfonylamines, XC. Carboxylic Acid Dimers, Water Dimers and 18-Crown-6 Molecules as Building Blocks in a Supramolecular Chain Polymer: Synthesis and Structure of (CH~ 2CH …K Wijaya, O Moers, A Blaschete, PG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG B 52 (8), 997-1002
1
1997
Polysulfonylamines, XCVI. Homoconjugates Formed from Di (organosulfonyl) amines and their Conjugate Anions: Four Crystal Structures Featuring Asymmetric [NH N]^-Hydrogen BondsK Wijaya, D Henschel, O Moers, A Blaschette, EG Jones
ZEITSCHRIFT FUR NATURFORSCHUNG B 52 (10), 1219-1228
8
1997
Sustainable Energy Technologies and AssessmentsK Wijaya, T Jarin, C Sumathijones, OH Abd-Elkader, MOH Abd-Elkader, …



BIOFUEL DI INDONESIAPDANSP PROSPEK, K WIJAYA



Synthesis of SO 4 2–/ZrO 2 Solid Acid and Na 2 O/ZrO 2 Solid Base Catalysts Using Hydrothermal Method for Biodiesel Production from Low-Grade Crude Palm OilS Setyaningsih, M Utami, A Syoufian, E Heraldy, NW Yuwono, K Wijaya
Indonesian Journal of Chemistry


Application of Energy-Saving Distiller for Standardized Patchouli Oil Production in Patchouli Oil SME in Kulon ProgoK Wijaya, W Kurniawati, NW Yuwono, F Farida
Jurnal Pengabdian kepada Masyarakat (Indonesian Journal of Community …


Kinetic Model of Crude Palm Oil Hydrocracking Over Ni/Mo ZrOH Hasanudin, MS Addy Rachmat, K Wijaya



L., dan Tahir, l., 2008. Ekstraksi kalium dari abu tandan kosong sawit sebagai katalis pada reaksi transesterifikasi minyak sawitMI Yoeswono, W Karna
Bulletin of Chemical Reaction Engineering and Catalyst 3, 14-20
3

OPTIMISASI RASIO DIAZINON/ASAM METAKRILAT SECARA TEORITIK BERDASARKAN METODA SEMIEMPIRIK AM1 UNTUK SINTESIS POLIMER TERCETAK MOLEKULA Saputra, K Wijaya, MN Ahmad, I Tahir
Jurnal Ilmiah Berkala Sains dan Terapan Kimia 7 (2), 89-102


Effect of Temperature and Catalyst to Feed Ratio on Production Biofuel from Fatty Acid of Palm Oil Industrial Sludge HydrocrackingH Hasanudin, M Said, MH Dahlan, K Wijaya



MATERIAL CuO/BENTONIT SEBAGAI BAHAN ANTIBAKTERI ESCHERICHIA COLIRY Fatmawati, K Wijaya, I Tahir
BIMIPA 25 (3), 216-223
1

Triyono, & Sugiharto, E.(2006). Preparasi dan Karakterisasi TiO2-Zeolit Serta Pengujiannya pada Degradasi Limbah Industri Tekstil secara Fotokatalitik, IndoY Utubira, K Wijaya
J. Chem 6 (3), 231-237
9

Polysulfonylamine, CXXV [1]. Neue Komplexe von Disulfonylaminen mit Kronenethern-im voraus entworfen oder zufällig entdecktC Polysulfonylamines, D by Serendipity, D Henschel, K Wijaya, O Moers, …



Polysulfonylamine, CXLII [1]. Ein supramolekulares Monomer-Dimer-Paar: Starke und schwache Wasserstoffbrücken in den Kristallstrukturen von Pyridinium-dimesylamid und 4, 4 …P Dimesylamide, B Bis



I. & Asean, F.(2003). Inklusi Senyawa P-Nitroanilin ke dalam Pori-pori Montmorillionit Terpilar TiO2K Wijaya, T Mudasir
Jurnal Kimia 2 (6), 84-94
5

KAJIAN PENGARUH TEMPERATUR DAN KECEPATAN PENGADUKAN TERHADAP KONVERSI BIODIESEL DARI MINYAK SAWIT MENGGUNAKAN ABU TANDAN KOSONG SAWIT SEBAGAI KATALISA Luthfiyati, KW Yoeswono, I Tahir



Sumerta., Wijaya, Karna., & Tahir, Iqmal. 2002I Kadek
Fotodegradasi MEtilen Biru Menggunakan Katalis TiO2-Montmorilonit dan Sinar UV


Benzo-18-krone-6 Ð Acetonitril (1/2): Kristallisation und Tieftemperatur-RöntgenstrukturanalyseK Wijaya, O Moers, A Blaschette, PG Jones



Synthesis of Ag2O/Bentonite as Antibacterial Material CandidateITA Aziz, YS Kurniawan, I Tahir, K Wijaya



Triyono, and Kunarti, ES, 2016, Microwave assisted preparation of zirconia-pillared bentoniteY Utubira, K Wijaya
Int. J. ChemTech Res 9 (4), 475-482
6

Polysulfonylamine, XCVII [1] Di (organosulfonyl) amine und ihre konjugierten Anionen als simultane Baugruppen in zwei supramolekularen StrukturenX Polysulfonylamines, D Henschel, K Wijaya, O Moers, A Blaschette, …

Drei prim.-Ammonium-dimesylamide mit zwei-oder dreidimensionalen WasserstoffbrückenmusternC Polysulfonylamines, HB Patterns, D Henschel, O Moers, K Wijaya, …

ANALYSIS OF HYDROGEN ADSORPTION AND DIFFUSION ON Mg (0001) SURFACE: AN AB INITIO DFT STUDYIW Sutapa, R Armunanto, K Wijaya
Jurnal Sains dan Terapan Kimia 4 (1), 23-28

PREPARATION OF BIODIESEL FROM NYAMPLUNG OIL (Calophyllum inophyllum Linn OIL) USING H-ZEOLITE AND NaOH AS THE CATALYSTK Wijaya, A Syoufian, M Ainuri

Polysulfonylamine, CXVII [1] Wasserstoffbrücken in kristallinen Onium-dimesylamiden: Sechs systematisch variierte s££.-Ammonium-dimesylamide mit sechs verschiedenen null-, ein …CXV Polysulfonylamines, O Moers, K Wijaya, D Henschel, A Blaschette, …

PRELIMINARY STUDIES ON HYDROTALCITE-LIKE SYNTHESIS USING MAGNESIUM FROM DESALINATION WASTEE Heraldy, SJ Triyono, K Wijaya, NB Alnavis, ES Rustina


PEMBUATAN DAN UJI FOTOAKTIVITAS KOMPOSIT Ti02-BENTONIT UNTUK DEGRADASI SENYAWA PEWARNA METILEN BIRUI Tahir, K Wijaya

Quantitative Structure and Glass Transition Temperature Relationships Analysis of Polyethylene AnaloguesI Tahir, K Wijaya, B Setiaji, Y Hidayat, BM Rod

SINTESIS BIODIESEL DARI LIMBAH MINYAK NABATI TERKATALISIS (SO4/ZrO2) DAN (KOH/ZrO2)K Wijaya, E Wulandari

BIODIESEL FROM CATFISH OIL (Clarias Gariepinus)GB Balabuana, K Wijaya, W Trisunaryanti

KAJIAN TEORITIS SELEKTIVITAS THIACROWN ETHER 18S6 DAN 18-UT-6 TERHADAP SENYAWA LOGAM TRANSISI CF3COOAG DAN CDCL2 DENGAN METODE SEMIEMPIRIK ZINDOS HAMDANI, K WIJAYA, I TAHIR
Prosiding Seminar Nasional Kimia XV ISSN NO 1410, 8313

THE EFFECT OF TEMPERATURE ON BIODIESEL CONVERSION FROM CALLOPHYLUM INOPHYLUM L (NYAMPLUNG) OIL CATALYZED BY H-ZEOLITE AND NaOHK Wijaya, A Syoufian, J Kusmasari
fuel 3, 6

I., Liawati, I.(2004) Sintesis komposit oksida besi montmorillonit dan uji stabilitas strukturnya terhadap asam sulfatK Wijaya, E Sugiharto, IT Mudasir
Indonesian Journal of Chemistry 4, 33-42