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本文对二乙基三胺五乙酸（ＤＴＰＡ）用于示波极谱络合滴定的方法进行了研究，同时测定了多种金属离子和藻酸双酯钠新药，该法快速、准确、终点直观。
In this paper, diethyltriaminepentaacetic acid (DTPA) for the oscillopolarographic complexometric titration method was studied, while the determination of a variety of metal ions and sodium alginate drug, the method is fast, accurate and straightforward endpoint .