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H-Point Standard Addition Method for Simultaneous Determination of Sodium Benzoate and Potassium SorbateMetode Penambahan Standar Titik-H untuk Penentuan Simultan Natrium Benzoat dan Kalium Sorbat
(2010)
H-point standard addition method (HPSAM) can be used as a method of choice for the development of simultaneous determination of sodium benzoate and potassium sorbate concentrations because of its precision, accuracy, ...
Sintesis Hidroksiapatit Berpori dengan Porogen Polivinil Alkohol dan Pati
(2012)
Hydroxyapatite (HAp) is a material resembles to structure of the human hard tissue. This material can be used for bone implantation. The ideal HAp is that with porosity of 100-150 μm in size. The porous HAp is used as a ...
Sintesis Zeolit dan Nanokomposit Zeolit/TiO2 dari Abu Layang dan Waterglass serta Uji Adsorpsi dan Fotodegradasinya
(2013)
Coal fly ash contains 20.74% Si and 4.09% Al, rendering its possibility to be synthesized to zeolite. Zeolite was synthesized by smelting at 550 °C, and continued with hydrothermal method at 90 °C for 6 hours. The weighed ...
Potency of Rhizophora sp. Extracts as Tyrosinase InhibitorPotensi Ekstrak Rhizophora sp. sebagai Inhibitor Tirosinase
(2010)
Rhizophora sp. is one of plant type that has benefit as medicinal plants, for example, as whitening agent. The purpose of this study is to discover the parts and species of Rhizophora sp. which have best tyrosinase inhibitory ...
Wire electroplating sludge sebagai katalis pembakaran batu bara
(2012)
A fuel additive (combustion catalyst) can improve the combustion efficiency by promoting complete oxidation of fuel. Combustion catalyst in this research was composed of wire electroplating sludge dispersed in a mixture ...
Pengayaan Urea dan Pelapisan Parafin pada Superabsorben Onggok-PoliakrilamidaUrea Enrichment and Paraffin Coating on Onggok-Poliacrylamide Superabsorbent.
(2012)
A superabsorbent was synthesized by using grafting-crosslinking polymerization, with onggok as backbone, acrylamide as monomer, ammonium persulfate as initiator, and methylene bis-acrylamide as crosslinker. Unsaponified ...
Sintesis Hidrogel Antibakteri Berbasis Karboksimetil Selulosa- ZnSO4
(2014)
Coconut water could be made into nata de coco that contain cellulose. The cellulose can be further chemically modified into cellulose derivates such as carboxymethyl cellulose (CMC). Then CMC was used as an antibacterial ...
Identifikasi golongan flavoid daun jati belanda berpotensi antioksidan
(IPB (Bogor Agricultural University), 2008)
Daun jati belanda merupakan tanaman obat yang berpotensi. sebagai antioksidan. Flavonoid diekstrak menggunakan etanol 70%, dilanjutkan dengan ekstraksi partisi etil asetat dan fraks.i. d .,i m.u..,m. ikan menggunakan ...
Potensi antidemensia tiga tanaman genus syzygium melalui mekanisme penghambatan aktivitas asetilkolinesterase
(2013)
Antidementia activity of the Syzygium cumini, S. aromaticum, and S. polyanthum leaves, as well as S. aromaticum buds extracts were determined based on inhibition of acetylcholinesterase (AChE) activity mechanism. The aim ...
Sintesis Selulosa-g-Poliakrilamida Melalui Teknik Kopolimerisasi Cangkok dan Taut-Silang
(2013)
Cellulose-g-polyacrylamide copolymer has been synthesized by graft and crosslink copolymerization using acrylamide as monomer and N,N’-methylenebis- acrylamide as crosslinker. The synthesis was carried out at 70 °C through ...