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本文应用动力学分光光度法，根据２５℃，ｐＨ＝９．５０，Ｃｕ（Ⅱ）和Ｍｇ（Ⅱ）与结合剂ＣＬＧ的络合物与ＥＤＴＡ之间的络合取代反应的不同的反应速率，实现其同时测定。该法可用来测定Ｃｕ（Ⅱ）和Ｍｇ（Ⅱ）的标准混合物以及河水、井水和矿泉水。
In this paper, kinetic spectrophotometry was used to investigate the effect of Cu (Ⅱ) and Cu (Ⅱ) on the different reaction rates of Cu (Ⅱ) and Cu (Ⅱ) To achieve its simultaneous determination. The method can be used to determine the standard mixture of Cu (II) and Mg (II) as well as river water, well water and mineral water.