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Now showing items 11-20 of 51
Optimalization Synthesis of Chitosan-Based Glucosamine HydrochloridePengoptimalan Sintesis Glukosamina Hidroklorida Berbasis Kitosan
(2010)
In this study, glucosamine hydrochloride has been synthesized based on chitosan hydrolysis using HCl. The reaction time, temperature, and HCl concentration were varied and investigated. The Box Behnken method response ...
Synthesis of Magnetite Nanocrystal Used Urea as Cr(VI) AdsorbentSintesis Nanokristal Magnetit Menggunakan Urea sebagai Penjerap Cr(VI)
(2010)
The study was to synthesize and characterize magnetite nanocrystal. Magnetite powder was synthesized using hydrothermal method from FeSO4 as precursor and sodium hydroxide and urea as the base sources. Characterization of ...
Transesterifrication Optimization of Sterculia foetida Biodiesel and Its Quality During StorageOptimisasi Transesterifikasi Biodiesel Kepuh dan Analisis Mutunya Selama Penyimpanan
(2010)
The availability of natural oil is decreasing rapidly. Therefore, alternative fuel is needed. Biodiesel is one of alternative fuel which can replace diesel fuel. Kepuh (Sterculia foetida) oil can be converted to biodiesel ...
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 ...
Antioxidant Activity of Noni`s Fruit and Leaf ExtractAktivitas Antioksidan Ekstrak Buah dan Daun Mengkudu
(2010)
Different parts of noni (Morinda citrifolia) plant including fruit and leaf exhibited antioxidant activity. This study was conducted to investigate the antioxidant activity, total phenol, and antioxidant compound group of ...
The Potency of Zero Valence Fe Particles as Degradation Agent for Organochlorine Pesticide and Alkylbenzenesulfonate SurfactantPotensi Partikel Fe Valensi Nol sebagai Pendegradasi Pestisida Organoklorin dan Surfaktan Alkilbenzenasulfonat
(2010)
Remediation technology using zero valence Fe particles (Fe0) as an effective environmentally friendly pollutant degradation agent has been concerned by researchers in the last decade. In this research, Fe0 particles have ...
Degradation of Heavy Oil Waste Using Bioslurry Method with Various Size and ConcentrationDegradasi Heavy Oil Waste Menggunakan Bioslurry dengan Ragam Ukuran dan Konsentrasi Contoh
(2010)
Petroleum waste is classified as a hazardous waste that cause pollution and damage to the environment. The remediation of petroleum polluted environment could be done by using microorganism capability. Grinding the petroleum ...
Optimization of Extraction Condition the leaves of Dandang Gendis with Extraction Time, Ratio of Sample-Solvent, and Solvent TypeOptimisasi Ekstraksi Daun Dandang Gendis Menggunakan Parameter Waktu, Nisbah Sampel-pelarut, dan Jenis Pelarut
(2010)
This study was started with soxhlet extraction of the dried leaves of dandang gendis with n-hexane and then maceration of the residue. Optimization on the maceration process was carried out by varying the maceration time, ...
The Potency of Zero Valence Fe Particles as Degradation Agent for Organochlorine Pesticide and Alkylbenzenesulfonate SurfactantPotensi Partikel Fe Valensi Nol sebagai Pendegradasi Pestisida Organoklorin dan Surfaktan Alkilbenzenasulfonat
(2010)
Remediation technology using zero valence Fe particles (Fe0) as an effective environmentally friendly pollutant degradation agent has been concerned by researchers in the last decade. In this research, Fe0 particles have ...
Degradation of Heavy Oil Waste Using Bioslurry Method with Various Size and ConcentrationDegradasi Heavy Oil Waste Menggunakan Bioslurry dengan Ragam Ukuran dan Konsentrasi Contoh
(2010)
Petroleum waste is classified as a hazardous waste that cause pollution and damage to the environment. The remediation of petroleum polluted environment could be done by using microorganism capability. Grinding the petroleum ...