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Sintesis Polimer Superabsorben Onggok Tapioka-Akrilamida: Pengaruh Konsentrasi Monomer dan inisiatorSynthesis of Superabsorbent Polymer Obtained from Cassava Waste Pulp-Graft-Acrylamide: Effect of Monomer and Initiator Concentration.
(2012)
Cassava waste pulp (CP) is a solid waste product from tapioca processing industry. This waste still contains high carbohydrates, so it can be modified into superabsorbent polymers (SAP) through grafting and crosslinking ...
Zeolit Alam Teraktivasi Basa untuk Pemurnian BioetanolBased-activated natural zeolite for bioethanol purification
(2012)
Utilization of bioethanol in mixing with fossil fuel greatly depends on its purity. To get high purity, adsorptive separation method with zeolite as adsorbent had been developed. Both natural and synthetic zeolite could ...
Pencirian Elektrode Membran Termodifikasi Zeolit untuk Pengukuran Kromium(VI)Characterization of Zeolite-Modified Membrane Electrode for Measurement of Chromium(VI).
(2012)
This research success fully made zeolite-modified membrane electrodes for measurement of Cr(VI). Zeolites used were mordenit type with particle size of 414.3 nm. Ion selective electrodes (ISE) were made with membrane ...
Potensi Kulit Buah Langsat (Lansium domesticum) sebagai Antibakteri
(2014)
The fruit peels of langsat (Lansium domesticum) have antibacterial activities. However, the active compounds responsible for the activities have not been studied. Therefore, this research was aimed to determine the metabolite ...
Uricase Kinetic Determination of Bacillus subtilis, B. megaterium, and B. cereus CellsPenentuan kinetika urikase dari sel Bacillus subtilis, B. megaterium, dan B. cereus
(2010)
Uric acid concentration could be determined based on the oxidation of uric acid into alantoin with the presence of uricase. Determination is needed to diagnose the occurrence of kidney disease in gout patients. This research ...
Aplikasi Selulosa-g-Poliakrilamida sebagai Fase Diam Kromatografi Kolom dan Sintesisnya Melalui Reaksi Kopolimerisasi Cangkok dan Taut-Silang
(2014)
The graft and crosslink copolymerization of acrylamide to cellulose isolate have been carried out using N,N’-methylene-bis-acrylamide (MBA) as crosslinker and ammonium peroxydisulfate as initiator. The amount of MBA added ...
Pengaruh Fraksionasi pada Aktivitas Antioksidan Ekstrak Kulit Buah Langsat (Lansium domesticum)
(2014)
Langsat (Lansium domesticum) fruit’s peel has been reported to have antioxidant activity but the active compound has yet to be verified. The study objectives were to evaluate antioxidant activities from the crude extract ...
Pelapisan apatit pada baja tahan karat lokal dan ternitridasi dengan metode sol-gel
(IPB (Bogor Agricultural University), 2009)
Logam yang telah dilapisi apatit seperti hidroksiapatit dan apatit karbonat biasanya digunakan dalam kedokteran sebagai penyangga tulang yang patah. Baja tahan karat adalah salah satu logam yang digunakan untuk menyangga ...
Selulosa mikrofibril dari batang pisang sebagai bahan baku film plastik
(Bogor Agricultural University (IPB), 2014)
Batang pisang merupakan limbah lignoselulosa yang kandungan selulosanya bisa diisolasi dan dimanfaatkan sebagai bahan baku pembuatan film plastik. Selulosa berhasil diisolasi menggunakan metode kimia mekanik dan didapatkan ...
Pengoptimuman Ekstraksi dan Pemurnian Asiatikosida dari Pegagan (Centella asiatica)
(2014)
Extraction of asiaticoside from Centella asiatica has already reported but the effective extraction method should be continuously developed. This study was developed to find an effective extraction and purification method ...