Potentiometric Studies on The Complexes of Cu(II), Cd(II), Co(II), Ni(II), Pb(II) and Zn(II) With Gabapentin

被引：0

作者：

Kumar, Ashwini ^{[1
]}

Malik, Ashok Kumar ^{[1
]}

机构：

[1] Punjabi Univ, Dept Chem, Patiala 147002, Punjab, India

来源：

EURASIAN JOURNAL OF ANALYTICAL CHEMISTRY | 2007年 / 2卷 / 02期

关键词：

Metal ions; Gabapentin; Potentiometric method; Stability constant; Free energy; Enthalpy; Entropy;

D O I：

10.12973/ejac.2007.00012a

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Potentiometric studies have been carried out on complexes of gabapentin (chemically 2[1-(aminomethyl) cyclohexyl] ethanoic acid) with Cu(II), Cd(II), Co(II), Ni(II), Pb(II) and Zn(II) in 50% v/v dioxane-water medium at three different temperatures (35, 45and 55 degrees C) and ionic strength 0.1 mol L-1 (KNO3). Calvin-Bjerrum pH titration technique as used by Irving and Rossotti has been applied to determine stability constants of the complexes. Free energy, enthalpy and entropy changes have also been evaluated.

引用

页码：78 / 83

页数：6

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