Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Imelda Hotmarisi Silalahi"'
Publikováno v:
CHEESA, Vol 6, Iss 1, Pp 63-75 (2023)
This study aimed to determine the characteristics, adsorption capacity, and isotherm of the adsorbent AC/Mg(II) composite in decreasing organic matter in peat water. Activated carbon was produced from empty fruit bunches of oil palm containing high l
Externí odkaz:
https://doaj.org/article/08bde5dfaabe472b89e3f12886226d5a
Publikováno v:
Jurnal Farmasi Sains dan Komunitas, Vol 19, Iss 1, Pp 34-40 (2022)
Premna serratifolia Linn. leaf extract has been used as a reducing agent in the synthesis of silver nanoparticles (AgNPs). Various synthesis parameters such as reaction time, concentration and the pH of the Premna serratifolia Linn. leaf extract, and
Externí odkaz:
https://doaj.org/article/842420903b044a36bdd9ac2a7af8be5c
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
Autor:
Winda Rahmalia, Septiani Septiani, Uray Amira Naselia, Thamrin Usman, Imelda Hotmarisi Silalahi, Zéphirin Mouloungui
Publikováno v:
Indonesian Journal of Chemistry, Vol 21, Iss 3, Pp 669-678 (2021)
Bixin is one of the potential natural sensitizers used in dye-sensitized solar cells (DSSCs). In this study, bixin was complexed with Cu(II) and Zn(II) to increase its stability. The formation of the complexes was indicated by shifting peaks absorpti
Externí odkaz:
https://doaj.org/article/224e0d69082c47e1b7b5434757ead202
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 24, Iss 4, Pp 126-135 (2021)
The bandgap energy (Egap) of TiO2 material modified with metal-chlorophyll complex compounds (M = Cu2+, Fe3+) was observed. Chlorophyll (Chl) was isolated from cassava leaves, and its UV-Vis spectra showed absorption peaks in the Soret band region (4
Externí odkaz:
https://doaj.org/article/64b1373bde4d4f82b2ed30cbd5d414f6
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:
Imelda Hotmarisi Silalahi, Anton M. Prokhorov, Theo Tanner, Stephen J. Cowling, Adrian C. Whitwood, Duncan W. Bruce
Palladium complexes of polycatenar 2,5-diphenylpyridine ligands were prepared in a two-stage reaction from (NH4)2[PdCl4]; their liquid crystal and emission properties are reported and discussed. For tetracatenar and hexacatenar derivatives, neither t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0c08243bf844b1de6d58a7aa2f2cb6a
https://eprints.whiterose.ac.uk/189912/1/Imelda_Palladium.pdf
https://eprints.whiterose.ac.uk/189912/1/Imelda_Palladium.pdf
Publikováno v:
Indonesian Journal of Pure and Applied Chemistry. 5:1
Synthesis and characterization of TiO2 films sensitized with chlorophyll and metal-chlorophyll complex (M=Zn2+, Co2+) were carried out. Chlorophyll isolated from cassava leaves shows absorption peaks on the UV-Vis spectra in the Soret band area (415
Publikováno v:
Indonesian Journal of Pure and Applied Chemistry. 4:132
Iron sand is obtained from one of the waste treatments stages of bauxite residue called red mud, operated at PT. Indonesia Chemical Alumina (PT. ICA). Preliminary analysis of the sand indicates that the main element contained in the sand is iron with
Publikováno v:
Indonesian Journal of Pure and Applied Chemistry. 3:33
Tanaman Sereh Wangi (Cymbopogon nardus l. Rendle) merupakan tanaman dari famili Poaceae yang telah lama dikenal sebagai penghasil minyak atsiri. Pemanfaatan minyak atsiri sereh wangi telah banyak diteliti sebagai pestisida nabati. Penelitian ini bert