Zobrazeno 1 - 10
of 261
pro vyhledávání: '"Narsito"'
Publikováno v:
BIO Web of Conferences, Vol 90, p 01003 (2024)
A simple solar drying technique was recently introduced for processing robusta coffee ( Coffea canephora) in Indonesia. It is considered a modification of the natural process commonly found in Indonesia. The objective of this work is to evaluate chan
Externí odkaz:
https://doaj.org/article/1c49e71574b34037aa63d1140b1bd8bd
Publikováno v:
Indonesian Journal of Chemistry, Vol 16, Iss 1, Pp 45-52 (2016)
In this research, chitosan based membrane blended with rice hull ash (RHA) silica and polyethylene glycol (PEG) has been applied as adsorbent of Ca(II), Mg(II), Zn(II) and Cd(II) in an aqueous solution. Membrane was synthesized by blending RHA silica
Externí odkaz:
https://doaj.org/article/e7893206184146b1986d5f02d5744593
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 10, Iss 3, Pp 266-274 (2015)
This article described a successful growing of silver nanoparticle chains (AgNPs) within the internal spaces of single wall carbon nanotube (SWCNT). The use of ethanol in the liquid phase adsorption could produce relatively long silver nanoparticle c
Externí odkaz:
https://doaj.org/article/5028af364863446aa9cd9c1bb27f2c24
Publikováno v:
Indonesian Journal of Chemistry, Vol 15, Iss 3, Pp 211-217 (2015)
Enhanced X-ray absorption property of single wall carbon nanotube (SWCNT) through gold (Au) doping (Au@SWCNT) has been studied. Mass attenuation coefficient of SWCNT increased 5.2-fold after Au doping treatment. The use of ethanol in the liquid phase
Externí odkaz:
https://doaj.org/article/0493601fbc274986a68da2b88f554a28
Autor:
Anis Shofiyani, Narsito Narsito, Sri Juari Santosa, Sri Noegrohati, Titin Anita Zahara, Endah Sayekti
Publikováno v:
Indonesian Journal of Chemistry, Vol 15, Iss 2, Pp 163-171 (2015)
Ionic-Imprinted Chitosan/Chlorella biomass sorbent (IICCb) has been synthesized for selective adsorption of Cd(II) adsorption. IICCb was prepared by coating Cd(II)-complexed-chitosan hydrogel on the biomass surface followed by cross-linking procedure
Externí odkaz:
https://doaj.org/article/d8a91168caab437395c6adb4deba0352
Publikováno v:
Indonesian Journal of Chemistry, Vol 14, Iss 2, Pp 131-137 (2014)
Recently, development of film materials is focused on finding the films with high chemical and physical stabilities. Organic based material such as chitosan produces films with low physical stability, and hence addition of inorganic materials necessa
Externí odkaz:
https://doaj.org/article/0904b4ee72f04d09a2ecca6a9e5dede9
Publikováno v:
Indonesian Journal on Geoscience, Vol 6, Iss 4, Pp 227-237 (2014)
DOI: 10.17014/ijog.v6i4.129The effusive eruption of Kelud Volcano in 2007 was different from the previous ones, which in general were more explosive. Among others, density and viscosity are factors that determine the type of eruption. Therefore, the
Externí odkaz:
https://doaj.org/article/51ad83dec6cc46788313aca15c053bc9
Publikováno v:
Arabian Journal of Chemistry, Vol 8, Iss 2, Pp 228-232 (2015)
In present work, titania dispersed in aluminium pillared saponite was prepared by using microwave irradiation technique as a more efficient calcination procedure instead of conventional calcination by slow heating. Several instrumental techniques con
Externí odkaz:
https://doaj.org/article/cabe3568691a4f04a6732b685c427b81
Publikováno v:
Indonesian Journal of Chemistry, Vol 12, Iss 3, Pp 223-228 (2012)
Adsorption of Mg(II) and Ca(II) on disulfonato-silica hybrid (DSSH) in the aqueous solution has been studied. The hybrid was synthesized by sol-gel process with sodium silicate solution from rice hull ash, chloroprophyltrimethoxysilane (CTS) and 4-am
Externí odkaz:
https://doaj.org/article/f860dc671df74923aadc34f9c572342a
Publikováno v:
Jurnal Manusia dan Lingkungan, Vol 19, Iss 3, Pp 264-272 (2012)
ABSTRAK Hibrida merkapto-silika (HMS) telah disintesis melalui proses sol-gel dengan prekursor tetraetil ortosilikat (TEOS). Adsorben HMS dikarakterisasi meliputi gugus fungsional menggunakan spektrofotometer inframerah (IR) dan morfologi permukaan
Externí odkaz:
https://doaj.org/article/c8391c94e76e417a986045d7afd814e7