نتایج جستجو برای: alkaline purification

تعداد نتایج: 98551  

ژورنال: بلورشناسی و کانی شناسی ایران 2012
برقی, محمدعلی, بدیعی , علیرضا , طوطی, فرامرز , کامیاب, سیده مهسا ,

In the present study, the phase transition of clinoptilolite, 16(Na, K)6[Al6Si30O72]. 20H2O, to barium zeolites, has been investigated in the alkaline hydrothermal conditions, at the presence of the barium bearing solutions, and the high temperature. Firstly, the primary sample collected from Aftar area, west of Semnan. Secondly, powdered and examined without purification. Clinoptilolite, as a ...

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Journal: :Nigerian Journal of Technology 2021

This study presents the application of ternary phase diagrams to tropical almond biodiesel components separation and purification at two temperatures. The seed oil was extracted mechanically alkaline transesterified produce biodiesel. were characterized using standard methods. Tie lines binodal solubility curve data determined modified cloud point titration procedures. Gas chromatographic metho...

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Journal: :Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas 1997
A S Andrade L Vilela H Tunes

A process for purifying bovine pancreatic glucagon as a by-product of insulin production is described. The glucagon-containing supernatant from the alkaline crystallization of insulin was precipitated using ammonium sulfate and isoelectric precipitation. The isoelectric precipitate containing glucagon was then purified by ion-exchange chromatography on Q-Sepharose FF, gel filtration on Sephadex...

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Journal: Journal of Sciences Islamic Republic of Iran 2012
E. Omidinia

The goal of this research was to isolate and identify the thermostable alkaline protease producing bacteria among several native Iranian microorganisms. At the end of screening program, a Bacillus subtilis BP-36 strain producing thermophilic alkaline protease was isolated from a hot spring in Ardebil province. The target enzyme was purified using a one-step Aqueous two-phase systems (ATPS) prot...

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