Concepedia

Umar Kalmar Nizar

UK

4

Publications

53

Citations

4

H-Index

2013

Active since

Affiliations

State University of Padang(Current)

Umar Kalmar Nizar is an author at State University of Padang specializing in engineering, chemistry, and materials science.

ORCID

Top concepts

Publications per year

2013–2022

4

Publications

4

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

Umar Kalmar Nizar, Jon Efendi, Leny Yuliati et al. · Chemical Engineering Journal · 2013 · 18 citations

, , +9

Development of student worksheet based on guided inquiry with class activity and laboratory in thermochemistry material

Kiprah Piawi, Umar Kalmar Nizar, Mawardi Mawardi · Proceedings of the International Conferences on Educational, Social Sciences and Technology - ICESST 2018 · 2018 · 15 citations · Full text

Effect of egg white as additive for synthesis and characterization of Al doped ZNO nanoparticles by using sol-gel method

Sherly Kasuma Warda Ningsih, Umar Kalmar Nizar, Bahrizal et al. · Journal of Physics Conference Series · 2019 · 10 citations · Full text

, , +16

Three levels of chemical representation-integrated and structured inquiry-based reaction rate module: Its effect on students’ mental models

Hutdia Putri Murni, Minda Azhar, Ellizar Ellizar et al. · Journal of Turkish Science Education · 2022 · 10 citations · Full text

Rows per page

1–4 of 4