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Saroj, Rama Shankar
- Comparative Metal Sorption Equilibrium Studies of Metal-adipic Acid Systems on Amberlite IR-120 Cation Exchanger
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Authors
Affiliations
1 Chemical Laboratories, University of Allahabad, Allahabad-211002, U.P, IN
1 Chemical Laboratories, University of Allahabad, Allahabad-211002, U.P, IN
Source
Asian Journal of Research in Chemistry, Vol 6, No 5 (2013), Pagination: 467-473Abstract
Cation exchange effective equilibrium distribution coefficients(K'd) of 18 metal ions with resin Amberlite IR-120 have been determined in varying adipic acid [µ2AA] concentrations, viz., 2.0×10<SUP>-2</SUP> _ 7.6×10<SUP>-2</SUP> M [H2AA]. Separation factors of metal ion species were calculated and some possible binary separations were worked out on the basis of their K'd values. An entirely different approach has been proposed for the association of adipate anion involving its partial exchange with the resin site along the complexation of the metal species.Keywords
Cation Exchange, Amberlite IR-120, Metal Ions, Adipic Acid, Distribution Coefficient, Separation
References
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- Theoretical Estimation of Surface Tension of Cryogenic Liquid Mixtures- Nitrogen+Argon and Argon+Methane
Abstract Views :743 |
PDF Views:2
Authors
Affiliations
1 Department of Chemistry, University of Allahabad, Allahabad-211002
2 Department of Chemistry, M.G.C.G. University, Chitrakoot, M.P.
1 Department of Chemistry, University of Allahabad, Allahabad-211002
2 Department of Chemistry, M.G.C.G. University, Chitrakoot, M.P.
Source
Asian Journal of Research in Chemistry, Vol 6, No 10 (2013), Pagination: 952-955Abstract
Surface tension of two binary (N<SUB>2</SUB>+Ar and Ar+CH<SUB>4</SUB>) cryogenic liquid mixtures has been estimated using two theoretical models. A comparative study of calculated surface tension values, obtained from Flory theory and Brock&Bird empirical relation, has been made. The results are discussed on the basis of intermolecular interactions between the components of the mixtures. Flory's statistical theory has been found to be the most superior.Keywords
Surface Tension, Cryogenic Liquid Mixtures, Brock-bird Relation, Flory TheoryReferences
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