Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Risya Sasri"'
Publikováno v:
JTK (Jurnal Tadris Kimiya), Vol 8, Iss 2, Pp 133-145 (2023)
Metacognitive awareness (MA) plays an important role in classroom learning as it enhances self-teaching capabilities on students. Therefore, it is necessary to know the level of awareness possessed by a teacher. This study aimed to describe metacogni
Externí odkaz:
https://doaj.org/article/e3eaf0e36fc048a089f9e6b9b062bed2
Publikováno v:
Indonesian Journal of Chemistry, Vol 23, Iss 1, Pp 1-11 (2023)
The use of reduced graphene oxide (rGO) as an adsorbent has challenges to overcome. Although rGO has a large surface area, its solubility in water is very low. In this study, bentonite is added to reduce the use of rGO mass and increase the dispersib
Externí odkaz:
https://doaj.org/article/633fa2e911d7412fab1212734175abbf
Autor:
Rikah Indriyani, Erlina Erlina, Ira Lestari, Hairida Hairida, Rody Putra Sartika, Husna Amalya Melati, Risya Sasri
Publikováno v:
JIPI (Jurnal IPA dan Pembelajaran IPA), Vol 6, Iss 4, Pp 310-331 (2022)
The available guides in chemical kinetic’s learning only explain the adsorption equation, do not explain the type of adsorption and the practical guide is not related to the value of local wisdom. Therefore, it is necessary to have a practical guid
Externí odkaz:
https://doaj.org/article/a63916dd782644c28d309e3bc301b063
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 25, Iss 1, Pp 1-6 (2022)
Bandgap energy (Egap) of TiO2/curcumin as well as TiO2/M-curcumin (M = Na+, Mg2+, Cu2+) was determined. The material was prepared on transparent conductive oxide as TiO2 film. Then, the curcumin and curcumin derivatives were adsorbed on TiO2 surface
Externí odkaz:
https://doaj.org/article/b7c897c96aaf47b6b84ae60b1d017843
Publikováno v:
Jurnal Ilmu Dasar, Vol 22, Iss 1, Pp 51-58 (2021)
Titanium dioxide (TiO2) is a transition metal oxide material which has been researched extensively and can be used for various applications. In this research, synthesis of TiO2 -SiO2 using TTIP and TEOS precursor. Research aims to determine the chara
Externí odkaz:
https://doaj.org/article/817e1d5e98634080917591c067309cec
Autor:
Lia Destiarti, Risya Sasri
Publikováno v:
Indonesian Journal of Chemistry, Vol 20, Iss 6, Pp 1271-1282 (2020)
The use of TiO2 in the slurry system for the photocatalytic process has disadvantages. It causes the resistance of UV transmission because it is cloudy and the difficulty for obtaining the catalyst at the end of the process. Therefore, an attempt to
Externí odkaz:
https://doaj.org/article/31f02f6d169049ed8645535aab9c0023
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 23, Iss 7, Pp 249-254 (2020)
Modification of silica xerogel with TMCS (trimethylchlorosilane) reagent has been carried out to improve the hydrophobicity of silica xerogel. Silica xerogel was synthesized based on the sol-gel method using sodium silicate as a precursor, and citric
Externí odkaz:
https://doaj.org/article/30ec3fa1c07446d584fff12f17b2fc6c
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 23, Iss 3, Pp 75-82 (2020)
Curcumin complex compound, MLn (L = curcumin; M = Na+, Mg2+, Cu2+) has been synthesized from the reaction between curcumin and metal precursors (NaCl, MgSO4.7H2O, CuCl2.2H2O) in ethanol under reflux conditions. Synthesis takes place through the react
Externí odkaz:
https://doaj.org/article/6e256a1fd8ae4ea2acf034cdaacfb7f3
Autor:
Azwa Fadilla Wafiq, Husna Amalya Melati, null Erlina, null Hairida, null Masriani, Risya Sasri
Publikováno v:
Jurnal Pendidikan Kimia Indonesia. 6:142-153
The practical activities needed in chemistry lessons. However, during the covid-19 pandemic, a suitable practical guide is needed. Therefore, a practical guide that can involve students directly in practical activities in online learning and blended
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::704591e1c4a0181ee38303a8d789fdf7
https://doi.org/10.23887/jpki.v6i2.50365
https://doi.org/10.23887/jpki.v6i2.50365
Publikováno v:
Jurnal Pendidikan Sains Indonesia. 10:669-693
Molecular geometry is a subject that many students find difficult to understand. This is because students have to imagine those molecules in order to fully understand the content. To help students understand those concepts, the learning meda that can
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f424ad3c38771e3a56d606dbe7986e37
https://doi.org/10.24815/jpsi.v10i4.25753
https://doi.org/10.24815/jpsi.v10i4.25753