Solubility and solvation thermodynamics of dl-nor-valine in aqueous solutions of NaCl and KCl
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- 作者：Sanjay Roya ; Partha Sarathi Guina ; Bijoy Krishna Doluib ; bijoy_dolui@yahoo.co.in" class="auth_mail" title="E-mail the corresponding author
- 关键词：dl-Nor-valine ; Solubility ; Electrolyte ; Transfer energetics
- 刊名：Journal of Molecular Liquids
- 出版年：2015
- 出版时间：November 2015
- 年：2015
- 卷：211
- 期：Complete
- 页码：294-300
- 全文大小：552 K
文摘
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Solubility of dl-nor-valine in aqueous sodium chloride and potassium chloride solution were measured.
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The standard transfer Gibbs energies and entropies were evaluated at 298.15 K.
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The ΔGt,ch0(i) i.e. chemical effects of the transfer Gibbs energies and ΤΔSt,ch0(i) i.e. chemical effects of the transfer entropy were explained.
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The dipole–dipole and cavity forming interactions in such electrolyte system stabilize the present amino acid.
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The chemical stability of dl-nor-valine is higher in KCl-water system than the NaCl-water system.