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Kinetics Transesterification of Palm Oil To Biodiesel Using Circulation Reactor.Kinetika Transesterifikasi Minyak Kelapa Sawit menjadi Biodiesel Menggunakan Reaktor Sirkulasi
(2010)
Kinetics of transesterification using circulation reactor is studied in this research. This research is committed by reacting palm oil and methanol with ratio 1:6 at temperature 50, 60, and 70 °C using KOH as catalyst with ...
Antibacterial Activity of Fractionated Extract of Sansevieria trifasciataUji Aktivitas Antibakteri Fraksi Daun Lidah Mertua (Sansevieria trifasciata)
(2010)
Sansevieria trifasciata is an indigenous plant of South Africa used in herbal medicine for the treatment of various infectious diseases. The purpose of this study is to evaluate potency of S. trifasciata extracts through ...
Characterization of Biodiesel Quality from Palm Oil Based on Different Set of Temperature Level by Using Circulation Reactor
(2010)
The characterization of biodiesel quality from palm oil based on different set of temperature level by using circulation reactor has been investigated. The research was done in 2 phases. The first experiment was done to ...
Screening on Marker Compound Tyrosinase Inhibitor Xylocarpus granatum’s stem.Penapisan Senyawa Penciri Inhibitor Tirosinase pada Batang Xylocarpus granatum
(2010)
The purpose of this study is to screen marker component as tyrosinase inhibitor of Xylocarpus granatum’s stem. The bark and stem were extracted with methanol and tested for tyrosinase inhibitory activity (monophenolase and ...
Synthesis and Characterization of 4-Dodecanedioylbis(1-phenyl-3-methyl-5-pyrazolone) as Ionophor in Determining Lu3+ by Ion Selective Electrode TechniqueSintesis dan Pencirian Senyawa 4-Dodekanadioilbis(1-fenil-3-metil-5-pirazolon) sebagai Ionofor untuk Penentuan Ion Lu3+ dengan Teknik Elektrode Selektif Ion
(2010)
Ion selective electrode (ISE) as an alternative potentiometric method is used widely in determining Lu3+. The success of this method depends on the ionophor used on the ISE. The compound of 4-dodecanedioylbis(1-phenyl-3- ...
Adsorption of cibacron red reactive dye using rice husk as adsorbentPenjerapan zat warna rreaktif cibacron red menggunakan adsorben sekam padi
(2010)
Textile wastewater containing dyes can pollute aquatic environment. This study utilized rice husk as adsorbent for Cibacron Red reactive dyes which are widely used in textile industries. Husks were made into adsorbent ...
Application of Cashew Shell as Activated Carbon Used as Coating Material for Urea and Its Testing Toward Nitrogen Reduction In Urea.Pemanfaatan Kulit Mete sebagai Arang Aktif Penyalut Urea dan Pengujiannya terhadap Tingkat Kehilangan Nitrogen pada Urea
(2010)
Cashew shell (Anacardium occidentale) is agricultural waste that can be used as activated carbon material. Activated carbon from cashew shell, which is physically activated, could comply with the Indonesian Standard (SNI). ...
Liquid-Liquid Extraction Optimization of Clinacanthus nutans Leaves in Ethanol FractionOptimisasi Ekstraksi Cair-Cair Fraksi Etanol Daun Dandang Gendis (Clinacanthus nutans)
(2010)
Dandang gendis (Clinacanthus nutans) is a herb which contains antimalaria and larvacide bioactive compounds. In this study, the dried leaf powder was macerated with ethanol and then partitioned with n-hexane. The resulting ...
Stability of Ketoprofen Microcapsule Coated with Chitosan-AlginatStabilitas Mikrokapsul Ketoprofen dengan Penyalut Kitosan-Alginat
(2010)
Drug preparations for stability test has been done in previous research, with composition of chitosan 1.75% (w/v), alginate 0.625% (w/v), glutaraldehyde 4.5% (v/v), and ketoprofen 0.8% (w/v), added with Tween 80 of three ...
Alcohol Pervaporation Using Polystyrene-SDS MembranePervaporasi Alkohol Menggunakan Membran Polistirena-SDS
(2010)
Polystyrene (PS) membrane with SDS as porogen can be utilized as a filter in alcohol pervaporation process. The membrane was prepared using inversed phase method with PS:SDS:dichloromethane solvent composition were 17:0:83; ...