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Umar Kalmar Nizar
Umar Kalmar Nizar
Lecturer at Chemistry Dept of Universitas Negeri Padang
Verified email at fmipa.unp.ac.id
Title
Cited by
Cited by
Year
A new way to control the coordination of titanium (IV) in the sol–gel synthesis of broom fibers-like mesoporous alkyl silica–titania catalyst through addition of water
UK Nizar, J Efendi, L Yuliati, D Gustiono, H Nur
Chemical engineering journal 222, 23-31, 2013
222013
THE CHARACTERIZATION STUDY OF FERRITES (MAGNESIUM AND MANGANESE) USING SOL GEL METHOD
R Sundari, TI Hua, M Aziz, UK Nizar
The Malaysian Journal of Analytical Sciences 18 (3), 485 - 490, 2014
192014
Development of student worksheet based on guided inquiry with class activity and laboratory in thermochemistry material
K Piawi, UK Nizar, M Mawardi
International Conferences on Educational, Social Sciences and Technology …, 2018
162018
The Effect of Titanium Tetrahedral Coordination of Silica-Titania Catalyst on the Physical Properties of Biodiesel
UK Nizar, J Hidayatul, R Sundari, B Bahrizal, A Amran, A Putra, LL Dj, ...
IOP Conference Series: Materials Science and Engineering 335 (1), 012036, 2018
122018
Identification and purification of nyalo river silica sand as raw material for the synthesis of sodium silicate
S Aini, UK Nizar, AA NST, J Efendi
IOP Conference Series: Materials Science and Engineering 335 (1), 012025, 2018
92018
Effect of egg white as additive for synthesis and characterization of Al doped ZNO nanoparticles by using sol-gel method
SKW Ningsih, UK Nizar, E Nasra, RF Suci
Journal of Physics: Conference Series 1185 (1), 012029, 2019
72019
Preparasi Karbon Aktif dari Limbah Pelepah Kelapa Sawit dengan Aktivasi Ultrasonik sebagai Adsorben Rhodamin B
F Sa’bandi, S Aini, UK Nizar, M Khair
Chemistry Journal of Universitas Negeri Padang 10 (2), 59-63, 2021
62021
Pengaruh Ion Cu2+, Zn2+, Cd2+ dan Cr3+ terhadap Peyerapan Logam Pb2+ menggunakan Kulit Pisang Kepok (Musa Paradisiaca L) sebagai Biosorben
D Yollanda, E Nasra, DKI Dewata, UK Nizar
Menara Ilmu: Jurnal Penelitian dan Kajian Ilmiah 13 (2), 2019
62019
Three Levels of Chemical Representation-Integrated and Structured Inquiry-Based Reaction Rate Module: Its Effect on Students' Mental Models.
HP Murni, M Azhar, E Ellizar, UK Nizar, G Guspatni
Journal of Turkish Science Education 19 (3), 758-772, 2022
52022
Pengaruh Penambahan Kitosan Terhadap Kuat Tarik Dan Biodegradasi Edible Film Dari Pati Bonggol Pisang
MH Ikhsan, I Dewata, UK Nizar, M Azhar
Jurnal Kependudukan Dan Pembangunan Lingkungan 2 (1), 44-50, 2021
52021
The Effect of Silica-Titania Catalyst Loading on the Production of Biodiesel from Palm and Waste Cooking Oil
* Zurryati1, Rita Sundari2, Bahrizal1, Ananda Putra1, Latisma DJ1, Edi ...
International Journal of Scientific Research and Engineering Development 2 …, 2019
52019
Jurnal Pendidikan MIPA
AP Lubis, RZ Ellizar, UK Nizar
Jurnal Pendidikan 23 (1), 256-265, 2022
42022
Pre-school teachers’ change of perceptions of engineering through a professional development experience
E Çil
Journal of Turkish Science Education 19 (3), 2022
32022
Katalis Asam Padat Berbasis Karbon Tersulfonasi Pada Proses Pembuatan Biodiesel
MH Ikhsan, UK Nizar
Chemistry Journal of State Univ. Padang 9 (1), 51-54, 2020
32020
Synthesis and characterization of silica-titania catalyst with solid-state technique applying SiO2 and TiO2 solid precursors based on variation time of calcination in biodiesel …
UK Nizar, A Putra, R Sundari, DJ Latisma, SB Etika, I Dewata, E Nasra, ...
Journal of Physics: Conference Series 1185 (1), 012030, 2019
32019
The Association Structures and Sustainability of Methyl Red and Methylene Blue In Water Systems, A Nonionic Surfactants (Tween-40 And Tween-80) And Cyclohexane
A Putra, S Masriati, A Amran
Int. J. Progress. Sci. Technol 17 (2), 117-125, 2019
32019
The Correlation of Biodiesel Physical Properties and Titanium Tetrahedral Coordination in Silica-Titania Prepared by Different Moles Ratio of Titania Precursors
UK Nizar, YM Sitanggang, R Sari, R Sundari, A Putra, DJ Latisma
Proceedings of ICoChEA (International Conference On Chemistry And …, 2017
32017
Edukasi Pengelolaan Sampah Rumah Tangga untuk Mewujudkan Lingkungan Bersih di Kelurahan Teluk Kabung Tengah Kecamatan Bungus Teluk Kabung Kota Padang
D Kurniawati, I Dewata, SB Etika, UK Nizar, S Suryelita, M Mulia, TK Sari, ...
Jurnal Pengabdian Pada Masyarakat 8 (3), 652-662, 2023
22023
Degradasi Senyawa Minyak dan Lemak Pemodelan Limbah Pabrik Kelapa Sawit Menggunakan Metode Fotosonolisis dengan Bantuan Katalis ZnO
IA Fajri, H Sanjaya, UK Nizar, A Putra
Ekasakti Educational Journal 1 (1), 53-59, 2021
22021
Synthesis and Characterization of ZNO/Mn Nanocomposite by using Sol-Gel Method
SKW Ningsih, B Bahrizal, E Nasra, UK Nizar, R Farisya
IOP Conference Series: Materials Science and Engineering 335 (1), 012035, 2018
22018
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