Determination of Ion-Pair Formation Constants for MA+ Ions (M = Ca, Sr, Ba, Cu, Cd) with A- = Picrate Ion in Water by Picric Acid Extraction into Benzene

Journal of Applied Solution Chemistry and Modeling Pub Date : 2016-01-01 DOI:10.6000/1929-5030.2016.05.02.2

Y. Kudo, S. Nakajima, N. Horiuchi

引用次数: 0

Abstract

Ion-pair formation constants ( K MA 0 ) for MA + = MPic + and MCl + in water were determined at 298 K and ionic strength → 0 by extraction experiments of picric acid (HPic) in the presence of M(II) in the water phase into benzene (Bz) and by potentiometry with a commercial Cl - -selective electrode, respectively. Here, M denotes Ca(II), Sr(II), Ba(II), Cu(II), and Cd(II). In adding Pb(II) data, a relation between K MA 0 values was K MCl 0

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苦味酸萃取苯法测定水中MA+离子(M = Ca, Sr, Ba, Cu, Cd)与A-苦味酸离子的离子对形成常数

在298 K和离子强度→0条件下，分别用苦荞酸(HPic)在M(II)存在的水相中萃取成苯(Bz)和商用Cl -选择电极电位法测定了水中MA + = MPic +和MCl +的离子对形成常数(K MA 0)。其中，M表示Ca(II)、Sr(II)、Ba(II)、Cu(II)、Cd(II)。在添加Pb(II)数据时，对于给定的M(II)， K MA 0值之间的关系为K MCl 0

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Journal of Applied Solution Chemistry and Modeling

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