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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; ...
Mechanical Strength of Polystyrene-Starch Polyblend Using Jatropha Oil Epoxide PlasticizersSifat Mekanis Polipaduan Polistirena-Pati Menggunakan Zat Pemlastis Epoksida Minyak Jarak Pagar
(2010)
Polyblend is a physical mix between two or more polymers resulting in different properties to get degradable polymer and better mechanical properties. Starch is degradable polymer, but polystyrene is synthetic polymer which ...
Methanol Pervaporation Using Cellulose Acetate/Polyvinyl Pyrrolidone Membrane and Sodium Dodecyl SulfatePervaporasi Metanol Menggunakan Membran Selulosa Asetat/Polivinil Pirolidon dan Natrium Dosesil Sulfat
(2010)
Pervaporation membrane is one of alternative methods to purify methanol. Performance of the pervaporation is affected by its characteristics. Phase inversion technique was used for preparing the membrane. The membrane was ...
Alkaloid Extract from Crown of God Fruit as α-Glucosidase InhibitorSenyawa Golongan Alkaloid Ekstrak Buah Mahkota Dewa sebagai Inhibitor α-Glukosidase
(2010)
The crown of God Fruit is believed to cure diabetes mellitus. The objective of this study is to investigate the highest inhibitory activity of α-glucosidase from alkaloid extract of the fruit by in vitro method. Three ...
Slow Release of Dissolved N-Urea as NH4+ and NO3- Following Activated Carbon Application in Andisols SoilSlow Release N-Urea dalam Bentuk NH4+ dan NO3- setelah Aplikasi Arang Aktif pada Tanah Andisol
(2010)
Urea is fertilizer that has low efficiency absorption in soil-plant system, which is about 30-50%. This is due to highly hygroscopic nature of urea that made urea dissolve easily into groundwater as nitrate when it applied ...
Composite Membrane of Cellulose Acetate- Polystyrene Affected by Sodium Dodecyl Sulphate (SDS) and TemperatureMembran Komposit Selulosa Asetat-Polistirena Akibat Pengaruh SDS Dan Suhu
(2010)
Nanopore membrane cellulose acetate-polystyrene with SDS as porogen, can be utilized as a filter in seawater desalination process. Nanopore membrane CA-PS was prepared under reverse phase method. The process was started ...
Antioxidant Activity of The Most Active Fraction of Tamarind Fruits and LeavesAktivitas Antioksidan Fraksi Teraktif Buah dan Daun Asam
(2010)
Tamarind plant (Tamarindus indica) contain tannins, flavonoids, and saponins which are usually have antioxidant activity. The purpose of this study was to determine antioxidant activity and total phenolic content of the ...