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本文根据溶液中酸碱组分的对数浓度与pH的关系,提出了由副反应系数计算溶液pH值的新方法。它使一个一元高次方程的求解简化为加减运算,为确定络合滴定的适宜酸度提供了一个简便的方法。
Based on the relationship between the logarithmic concentration of acid-base components and pH in solution, a new method to calculate the pH value of solution from the side reaction coefficient is proposed. It simplifies the solution of a unary high-order equation to addition and subtraction, which provides a convenient method for determining the suitable acidity of complexometric titration.