Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Sriatun, Sriatun"'
Autor:
Sriatun Sriatun, Marta Chandra Anikke Putri, Hanifa Zakiyatul Urbach, Adi Darmawan, Widayat Widayat, Heru Susanto
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 25, Iss 4, Pp 137-145 (2022)
Silica-rich sodalite zeolite has been synthesized by ultrasound treatment and hydrothermal temperature variation. This study aimed to determine the effect of ultrasound treatment and hydrothermal temperature variations on the crystallinity, hydrophob
Externí odkaz:
https://doaj.org/article/9dadd70ef96f4cf19c6603310aa98d37
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 24, Iss 1, Pp 9-14 (2021)
Red fruit oil contains carotene, which is dark orange, so it is not very popular. Therefore, it is necessary to reduce the intensity of the color. Yesterday, in this study, the synthesis and characterization of Al-pillared clay (Al-PILC) from light a
Externí odkaz:
https://doaj.org/article/475a7b5ec38c42aea843a303b0eec981
Publikováno v:
AIP Conference Proceedings; 2024, Vol. 3165 Issue 1, p1-11, 11p
Publikováno v:
Indonesian Journal of Chemistry, Vol 21, Iss 2, Pp 361-375 (2020)
NiO/silica-rich zeolite catalysts were used for coconut oil hydrocracking. The catalyst was prepared with a mixture of Na2SiO3, Al(OH)3, NaOH, and quaternary ammonium surfactants. The surfactant was varied of types like as tetrapropylammonium bromide
Externí odkaz:
https://doaj.org/article/dbe95a9662054ab8a0e238f7ee25148c
Publikováno v:
Jurnal Rekayasa Kimia & Lingkungan, Vol 15, Iss 2, Pp 79-89 (2020)
The starting material for activated carbon was biomass from teak woodcutting, which consists of 47.5% cellulose, 14.4% hemicellulose, and 29.9% lignin. The surface area and iodine number of activated carbons are the factors determining the adsorption
Externí odkaz:
https://doaj.org/article/d7680de392b84541b59df830d6fdc854
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 22, Iss 6, Pp 292-298 (2019)
Zeolite is an inorganic material whose surface has a permanent negative charge in its crystal structure. This material consists of tetrahedral [SiO4]-4 and [AlO4]-5, which are connected by oxygen atoms in such a way as to form an open three-dimension
Externí odkaz:
https://doaj.org/article/24ac1b921dca4dad9f79598a8b775ff2
Publikováno v:
Indonesian Journal of Chemistry, Vol 18, Iss 1, Pp 159-165 (2018)
The purpose of this research is to synthesize zeolite from sugarcane bagasse ash using cetyltrimethylammonium bromide as structure directing agent. This research used cetyltrimethylammonium bromide surfactant to invent the high porosity, surface area
Externí odkaz:
https://doaj.org/article/7261a049cde14e428752db2a276a22f3
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 20, Iss 1, Pp 13-18 (2017)
Dalam penelitian ini dilakukan modifikasi zeolit alam teraktivasi NH4Cl (H-Zeolit) dengan surfaktan CTAB (Cetyltrimethylammonium Bromide) berbagai konsentrasi yaitu sebesar 0,25 mM (ZMS-1), 1 mM (ZMS-2), dan 100 mM (ZMS-3) sebagai adsorben senyawa AB
Externí odkaz:
https://doaj.org/article/4e5bb9647ffa455aa8bfdf49c8db1619
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 20, Iss 1, Pp 19-24 (2017)
Telah dilakukan pembuatan zeolit Y dengan kajian konsentrasi dan jenis surfaktan yaitu cetyltrimethylammonium bromide (CTAB) dan Polyethylen Glycol-400 (PEG-400). Adapun bahan baku utama untuk membuat zeolit Y adalah sol silika dan alumunium hidroksi
Externí odkaz:
https://doaj.org/article/a87ae8490e70430f911a5cceb58bd8bb
Publikováno v:
Greensphere: Journal of Environmental Chemistry. 2:25-30
Enkapsulasi vitamin C telah dilakukan dengan membuat matriks silika gel dengan prekursor Tetraethylorthosilicate- Methyltriethoxysilane (TEOS-MTES), menggunakan katalis basa NaOH dan penambahan bahan polimer Polivinil Alkohol (PVA). Larutan dibuat de