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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 ...
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 ...
Biofilm Pati Tapioka Terplastisasi Gliserol dengan Tambahan Natrium Alginat dan Aditif Limonena Kulit Jeruk
(2014)
Biofilm is a thin layer that can be used as an alternative packaging and environmentally friendly. The objectives of this study ware to synthesis and to characterize biofilm made of tapioca starch with addition of glycerol ...
Kinetika dan Termodinamika Korosi Logam Cu dan Inhibisinya oleh Zink (Disikloheksilditiofosfat) dengan Teknik Polarisasi Potensiodinamik
(2014)
Zinc dialkyldithiophosphates (ZDTP) is a lubricant additives which has many functions such as anti-friction, anti-wear, antioxidants, and anti-corrosion. In this research, ZDTP type which was made is ZDTP with alkyl ...