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本文采用定量方法,较详细地研究了定性分析中用硫代乙酰胺(TAA)分离Ⅱ、Ⅲ组阴离子时的最适酸度条件,查明了过去系统分析中容易漏检Zn~(2+)的原因,并提出了改进措拖。
In this paper, the optimum acidity conditions for the separation of anions from groups II and III using thioacetamide (TAA) in qualitative analysis were investigated in more detail in a qualitative analysis. It was found that Zn ~ (2+) The reason, and proposed measures to improve.