Study of Cadmium Extraction with Aliquat 336 from Highly Saline Solutions
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Kinetic Modeling of Chromium(iii) Extraction with Aliquat 336 from Alkaline Aqueous Solutions Containing Chlorides
The effects of time, composition and history of preparation of the aqueous phase on the liquidliquid extraction of chromium(III) with Aliquat 336 from the aqueous alkaline solutions containing chlorides were studied. At time far from the equilibrium the yield and initial rate of the chromium(III) extraction depend on NaOH concentration, ionic strength of the aqueous phase and the way of its pre...
متن کاملReactive Extraction of Propionic Acid with Aliquat 336 Dissolved in 1-Decanol and n-Dodecane
This paper deals with propionic acid extraction by Aliquat 336, a quaternary amine dissolved in ndodecane and 1-decanol. Chemical equilibrium experiments have been carried out to investigate the effect of modifier, 1-decanol on the extraction efficiency of Aliquat 336 in ndodecane at fixed initial acid concentration of 0.27 gmol/l. Extraction efficiency is determined in terms of distribution co...
متن کاملReactive Extraction of Propionic Acid Using Aliquat-336 in 2-Octanol: Linear Solvation Energy Relationship (LSER) Modeling and Kinetics Study
A. Keshav, K. L. Wasewar, S. Chand, and H. Uslu a Department of Chemical Engineering, National Institute of Technology (NIT), Raipur Chhattisgarh-492010 India Department of Chemical Engineering, Visvesvaraya National Institute of Technology (VNIT), Nagpur 440011 India Department of Chemical Engineering, Indian Institute of Technology (IIT) Roorkee, Uttarakhand 247667 India d Beykent University,...
متن کاملextraction and acetylation of purified trypsin from bovin pancreas and study of some its physico-chemical properties
آنزیم تریپسین در شرایط قلیایی ناپایدار می باشد .و فعالیت پروتئولیتیکی تریپسین منجربه خود هضمی آن در جایگاههای خاصی می گردد. بنابر این آنزیمی با ناپایداری بالا محسوب میگردد. در سالهای اخیر موفق شدند که با ایجاد تغیرات شیمیایی با اضافه کردن فلزات خاص ، کلسیم و یا عمل استیلاسیون منجر به افزایش پایداری آنزیم تریپسین گردند. مطالعات در حال حاضر نشان می دهد که تریپسین استیله شده فعالیت آنزیمی خود را ...
15 صفحه اولUltrasound-assisted solid phase extraction of nitro- and chloro-(phenols) using magnetic iron oxide nanoparticles and Aliquat 336 ionic liquid.
A novel and sensitive ultrasound-assisted solid phase extraction (UASPE) method for pre-concentration and determination of ultra-trace amounts of nitrophenols and chlorophenols in water samples was demonstrated. Four hazardous phenolic compounds in water samples were extracted and monitored by high performance liquid chromatography. The results demonstrated that in the presence of Aliquat 336 (...
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ژورنال
عنوان ژورنال: Journal of Solution Chemistry
سال: 2018
ISSN: 0095-9782,1572-8927
DOI: 10.1007/s10953-018-0795-z