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在《仪器分析》的电位分析这一章的内容中，有两个值得注意的问题：1用F一离子选择性电极（阴离子选择性电极）测定未知液中的F一离子活度时，是用E。＝K－0．059lga。公式还是用E。＝K＋0．059lgaF一公式进行计算？这个问题已有作者撰文讨论过（‘），但没有引起足够的重视，
There are two notable issues in the section titled “Potential Analysis of Instrumental Analysis”: 1. The F-ion selective electrode (anion selective electrode) is used to determine the F-ion activity in the unknown solution. With E. = K-0.059lga. E = K + 0.059lgaF a formula to calculate? This issue has been discussed in the author’s writings (’), but not enough attention has been given to it.