ON THE COMPLEXING ABILITY OF ERIOCHROME BLACK T AS A METALLOCHROMIC INDICATOR FOR SOME ALKALI AND ALKALINE EARTH CATIONS IN ACETONE AND DIMETHYLSULPHOXIDE SOLUTIONS
نویسندگان: ثبت نشده
چکیده مقاله:
The interaction between eriochrome black T and Li , Na , K ,Mg and Ca ions in acetone and dimethylsulphoxide solutions has been investigated spectrophotometrically. The formation constants of the resulting 1 : 1 complexes were determined and found to decrease in the order Mg >Ca >Li >K >Na in both solvents used. There is an inverse relationship between the stabilities of the complexes and the solvating ability of the solvents
منابع مشابه
on the complexing ability of eriochrome black t as a metallochromic indicator for some alkali and alkaline earth cations in acetone and dimethylsulphoxide solutions
the interaction between eriochrome black t and li , na , k ,mg and ca ions in acetone and dimethylsulphoxide solutions has been investigated spectrophotometrically. the formation constants of the resulting 1 : 1 complexes were determined and found to decrease in the order mg >ca >li >k >na in both solvents used. there is an inverse relationship between the stabilities of the complexes and the s...
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عنوان ژورنال
دوره 2 شماره 2
صفحات -
تاریخ انتشار 1991-12-01
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