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Pengolahan Fine Coal dan Aplikasinya sebagai Briket
(2014)
Fine coal is a by-product of coal washing, which is not utilized and nearly 2 billion tons per year of fine coal is waste. The objectives of the research are to treatment fine coal using centrifugation and coagulation-flocculation ...
Telaah Reaksi Benzoilasi Resasetofenon dalam Sintesis 7- Hidroksiflavon Melalui Penataan-Ulang Baker-Venkataraman
(2014)
Dibenzoyl resacetophenone (diBz) is an important precursor in synthesis of 7-hydroxyflavone and its derivatives through Baker-Venkataraman rearrangement. In previous studies, benzoylation of resacetophenone by using benzoyl ...
Pelapisan Hidroksiapatit pada Paduan Logam CoCrMo Terlapis Titanium Nitrida Menggunakan Metode Biomimetik
(2014)
Bone implants is a way to cure broken bones which is being developed. The implants can be made of metals, ceramics and polymers. Metallic materials commonly used are titanium (Ti), stainless steel, and metal alloys. This ...
Sintesis Zink Diisoamilditiofosfat pada Medium Kloroform dan Karakterisasi Kinerja Inhibisinya terhadap Korosi Logam Tembaga yang Diukur secara Polarisasi Potensiodinamik
(2014)
Zinc dialkyldithiophosphate (ZDTP) is a complex compound known as a lubricant additive that has many functions such as anticorrosive, antifriction, and antioxidants. Zinc diisoamyldithiophosphate (ZDTPi) was synthesized ...
Sintesis Zink Diisoamilditiofosfat pada Medium Heptana dan Karakterisasi Kinerja Inhibisinya terhadap Korosi Logam Tembaga yang Diukur secara Polarisasi Potensiodinamik
(2014)
Zinc dialkyldithiophosphates (ZDTP) compound is known as a lubricant additive and has many functions, one of which is as anti-corrosion. ZDTPi was synthesized in 2 steps. The first step was formation of intermediates so ...
Inhibisi Ekstrak Air Kumis kucing dan Tempuyung terhadap Aktivitas ACE (Angiotensin Converting Enzyme) secara In Vitro
(2014)
Angiotensin converting enzyme (ACE) plays an important role in the regulation of blood pressure. ACE works by converting inactive decapeptide angiotensin I to angiotensin II which can increase blood pressure (hypertension). ...
Teknik Ekstraksi Terbaik untuk Isolasi Kaempferol dan Kuersetin dari Daun Jambu Biji (Psidium guajava)
(2014)
Guava leaves contain various compounds that have biological activity such as kaempferol and quercetin as anticancer. Twelve extraction techniques were performed to obtain the best extraction technique to isolate kaempferol ...
Sintesis Kemosensor Ion Hg(II) Berbasis Hemisianin
(2014)
In this study, hemicyanine-based chemosensor was successfully synthesized from 3-(carboxymethyl)-2-methylbenzotiazolium bromide (kmb salt) and 4- diethylamino-2-hydroxybenzaldehyde through condensation reaction. Hemicyanine ...
Uji Toksisitas Ekstrak Etanol Rimpang Temu Putih terhadap Larva Udang dan Embrio Ikan Zebra
(2015)
Curcuma zedoaria, known as temu putih, is commonly used as traditional medicine in Indonesia. The toxicity of this herb needs to be studied to improve its application. This research aims to evaluate the toxicity of the ...
Isolasi dan Identifikasi Senyawa Alkaloid dalam Ekstrak Daun Sirsak Hutan (Annona glabra)
(2014)
Sirsak hutan (Annona glabra), is a plant that has been traditionally used as medicine. In previous studies, ethanol extract of A. glabra leaves has been reported to be toxic against brine shrimp and zebrafish embryo. The ...
