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Now showing items 11-20 of 111
Fosfatisasi kalsium karbonat cangkang telur ayam dan kajiannya pada proses adsorpsi logam timbal
(2013-04-04)
Fosfatisasi merupakan teknik lImlim lIntuk mereaksikall fosfat dellgan kalsium dalam pembllatan senyawaan apatit. Cangkang telur ayam dapat digllnakan sebagai slimber kalsium untllk menghasilkan kalsium karbonat dan senyawaan ...
Profil Kelarutan Limbah Minyak Berat Akibat Penambahan Bahan Pencampur
(2013-04-11)
Heavy Oil Waste (HOWj is on ofthe most importallt petroeum .t'Gste, In the recent years, many contamination ofsoil or water hy HOW hCll'e heL'11 /,L'ported Biorel11ediatiot1 is ol1e oOlle altL'rnatil'e technology to clean ...
Production of semiconductor materials silicon from silica rice husk waste as alternative silicon sources
(2013-03-28)
Rice is one of the most important culti\'ated plants in human civilization. Rice production ranks third in the world of all cerealia after maize and wheal. According to Central Agency Statistics of Indonesia. production ...
Rapid Analysis of Total Flavonoids from Medicinal Herb : Interpretation of Chemometrics on Infrared Spectra of Phyllantus Niruri
(2013-03-28)
The potential of mid-infrared (FTIR) spectroscopy for the determination of secondary metabolites (total flavonoids) in Phyllantus niruri herb was investigated. The study are applying chemometrics technique (i.e. partial ...
Potensi Ekstrak Rhizophora sp. sebagai Inhibitor Tirosinase
(2013-03-28)
Previous research showed that Rhizophora sp. was plant which has tyrosinase inhibitor activity. The purpose of this study is to find the parts and species of Rhizophora sp. which has the best tyrosinase inhibitory activity. ...
High performance liquid chromatography profile of tempuyung Sonchus arvensis L. extract and its toxicity to artemia salina
(2013-05-08)
Tempuyung (Sonchus arvensis) is one of herbal plant which has anticancer potency. The aim of this research were the investigation on anticancer potency of tempuyung based on its toxicity against Artemia salina and to obtain ...
In vitro determination of antioxidant activity of extracts of mahkota dewa, temu putih, sambiloto and keladi tikus
(2013-04-03)
'vfahkota dewa (Phaleria macrocarpa, Boer!), lemu pUlih (Curcuma zeodaria), sambilolo (Andrographl:~ panteu/ala, Nees) , and Ice/adi lilcus (Typhonium/lagelliji)rme) are medicinal plants that have potency as antioxidant ...
Aktivitas bromelain pada limbah padat pengalengan nenas dan pengaruh semipurifikasi
(2013-04-11)
AKTIVITAS HROMELAIl\' PADA L1MHAII PAIHT PEl\'GALEl\'GAl\' l\'El\'AS DA/\ PEl\'GARt·U SEMJI>t:RIJ:.'IKASJ. Ne:las mengandung hrol'lc!l;l yang mt.'LUpakan senyawa flfokinlla yang mcmtliki hanyak khasia{ medis. I;ntuk ...
Studi pengaruh perbandingan reaktan lignin NaHSO3 dan pH terhadap Natrium Lignosulfonat (NaLS)
(2013-04-03)
Lignin was isolated from waste black liquor of soda pulping process. Sulfonation of soda lignin produced Sodium Lignosulfonate (NaLS) which can be used as dispersants, and concrete admixtures. In this research, sulfonation ...
SUPERABSORBEN HASIL PENCANGKOKAN DAN PENAUTAN SILANG FRAKSI ONGGOK DENGAN AKRILAMIDA
(2013-09-12)
Karbohidrat onggok terdiri atas pati dan selulosa. Kedua fraksi tersebut berpotensi untuk dimodifikasi menjadi superabsorben melalui pencangkokan dan penautan silang menggunakan amonium persulfat sebagai inisiator. akrilamida ...