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Title: Thermodynamics of interaction between -cystine and sodium/magnesium chloride in aqueous solution
Authors: Li, Dacheng
Yu, Qingjiang
Wang, Yong
Sun, Dezhi
Issue Date: Jun-2002
Publisher: NISCAIR-CSIR, India
Abstract: Interactions of -cystine with sodium chloride and magnesium chloride have been studied by determining the solubility of cystine in aqueous salt solutions of different concentration at varying temperatures. The interaction thermodynamic parameters have been estimated with the solubility data. The results show that both NaCl and MgCl2 in water is beneficial to dissolution of -cystine. Enthalpy or entropy of interaction between -cystine and NaCl is negative while that between -cystine and MgCl2 is positive. These interesting results are discussed in the light of static electricity theory as well as hydration of ions.
Page(s): 1126-1130
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.41A(06) [June 2002]

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