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pro vyhledávání: '"D. Pandiangan"'
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Autor:
Sutopo Hadi, Tati Suhartati, Noviany Noviany, Kamisah D. Pandiangan, Yandri Yandri, Wasinton Simanjuntak, Junaidi Junaidi
Publikováno v:
Pure and Applied Chemistry. 94:799-807
Disinfecting activity test of four diphenyltin(IV) benzoate derivative compounds has been carried out. The four compounds investigated were diphenyltin (IV) di 4 aminobenzoate (DPDA) (2), diphenyltin (IV) di 4 chlorobenzoate (DPDC) (3), diphenyltin(I
Autor:
Mita Rilyanti, Ella Gita Silviana, Buhani Buhani, Kamisah D. Pandiangan, Ni Luh Gede Ratna Juliasih
Publikováno v:
ANALIT:ANALYTICAL AND ENVIRONMENTAL CHEMISTRY. 5:178-191
Pada penelitian ini dilakukan sintesis zeolit mordenit (MOR) pori hirarki berbahan dasar silika abu ampas tebu (Sugarcane Bagasse Ash/SCBA) menggunakan metode Solid-State Crystallization (SSC). Penelitian ini diawali dengan ekstraksi silika dari SCBA
Publikováno v:
Indonesian Journal of Chemistry, Vol 13, Iss 1, Pp 47-52 (2013)
In this study, transesterification of coconut oil with dimethyl carbonate (DMC) for preparing biodiesel has been studied using TiO2/SiO2 as heterogeneous catalyst, with the main purpose to investigate the effect of molar ratio of DMC to oil. The prod
Externí odkaz:
https://doaj.org/article/c5252dfe1e55403db14b2c321ae5bf09
Publikováno v:
ANALIT:ANALYTICAL AND ENVIRONMENTAL CHEMISTRY. 5:53-64
Sintesis zeolit ZSM-5 telah dilakukan dengan metode hidrotermal menggunakan silika sekam padi dan Al(OH)3 dengan rasio molar Si/Al 20. Proses hidrotermal dilakukan pada suhu 180 ℃ dengan memvariasikan waktu kristalisasi yakni 24, 48, 72, 96, dan 12
Publikováno v:
Indonesian Journal of Chemistry, Vol 11, Iss 1, Pp 103-107 (2011)
In the present study, electrocoagulation method was employed to remove natural organic matter from brackish water. This study explores the potential of brackish water as a source of potable water. Two electrochemical variables, potential and contact
Externí odkaz:
https://doaj.org/article/aa669d2c6f2e423cac435333ea58a24f
Autor:
Wasinton Simanjuntak, Kamisah D. Pandiangan, Zipora Sembiring, Agustina Simanjuntak, Sutopo Hadi
Publikováno v:
SSRN Electronic Journal.
Autor:
Wasinton Simanjuntak, D. Pandiangan, Faradilla Syani, Simon Sembiring, Rudy Rudy, T. Situmeang, Kamisah Kamisah
Publikováno v:
Oriental Journal of Chemistry. 32:2079-2085
This study assessed the potential of liquid smoke as substitute for nitric acid for production of rice husk silica using sol-gel method. The efficacy of liquid smoke was compared to that of 10% HNO3 solution in terms of the volume required and the ma
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 374:012008
Cellulose is a biopolymer whose availability is abundant in nature. In its development, cellulose is widely used in the form of nanocrystalline cellulose because it has better properties than the original material. The method commonly used to produce
Publikováno v:
Polymer International. 55:435-440
Blends of modified polypropylene (PP) with poly(R,S)-β-hydroxybutyrate (PHB) were prepared by casting polymer solutions, followed by compression molding into thin films. The modified polypropylene was obtained by oxidation with hydrogen peroxide. Ox