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n元酸溶液pH精确计算的无量纲方程
引用本文:胡其英. n元酸溶液pH精确计算的无量纲方程[J]. 分析化学, 1992, 20(5): 564-567
作者姓名:胡其英
作者单位:重庆建筑工程学院 重庆
摘    要:本文提出一个n元酸溶液H~+离子浓度无量纲方程及其变形迭代公式。利用该公式可以较为方便地进行任何一种多元酸(或碱)溶液的pH精确计算。

关 键 词:pH计算 n元酸 无量纲化

Dimensionless Equation for the Accurate Calculation of pH in Dilute Multicomponent Acid (Base) Solution
Hu Qiying. Dimensionless Equation for the Accurate Calculation of pH in Dilute Multicomponent Acid (Base) Solution[J]. Chinese Journal of Analytical Chemistry, 1992, 20(5): 564-567
Authors:Hu Qiying
Abstract:A dimensionless equation for the calculation of pH in dilute polybasic acid (or base) solution is presented. The equation is where the definitions of x, a, w and A_i are given in formula (1) of this paper. The pH value calculated with the dimensionless equation and related iterative formula is more accurate, and simple than that obtained by other methods.
Keywords:pH calculation   Polybasic acid   Dimensionless equation.  
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