铟与4,5-二羟基-1,3-苯二磺酸配合显色反应热力学摩尔吸光系数  

The Thermodynamic Molar Absorptivity of Coordination Color Reaction of Indium(Ⅲ) with 4,5 Dihydroxybezene 1,3 Disufornic Acid

作　　者：郭玉红[1,2,3] 陈连山[1,2,3] 张德凤 杨冬[1,2,3] 刘祁涛 

机构地区：[1]沈阳药科大学 [2]辽宁师范大学化学系 [3]辽宁大学化学系

出　　处：《光谱学与光谱分析》1999年第3期496-498,共3页Spectroscopy and Spectral Analysis

摘　　要：用分光光度法测定了在２０．０±０．１℃温度下，以ＮａＣｌＯ４为支持电解质的水溶液中，Ｔｉｒｏｎ与高价铟离子形成配合物１１显色反应的热力学摩尔吸光系数，考察了ａ。值对摩尔吸光系数与溶液离子强度效应的线性关系的影响，测得ａ。＝６．５时的热力学摩尔吸光系数，其ｌｏｇε°＝３．６９。The thermodynamic molar absorptivity of complex formed by 1∶1 coordination color reaction of tiron with highly charged cation In 3+ has been measured spectrophotometrically at 20 0±0 1℃,using NaClO 4 as supporting electrolyte.The influence of a on linear relation between molar absorptivity and ionic strength has been investigated.At a=6 5,the thermodynamic molar absorptivity lg ε ° was found to be 3 69.

关 键 词：分光光度法 二羟基苯二磺酸 摩尔吸光系数 铟 

分 类 号：O614.372[理学—无机化学]