铁（Ⅲ）－1，10－二氮杂菲－甲基橙三元络合物光度法测定铁的研究

Study of the Spectrophotometric Determination of Microamount Iron by Ternary Complex System

提出了铁（Ⅲ）－１，１０－二氮杂菲（Ｐｈｅｎ）－甲基橙（ＭＯ）三元络合物体系光度法测定Ｆｅ（Ⅲ）的新方法。该方法的灵敏度高（ε＝８．１×１０４），选择性好，准确可靠，用于测定金属和化学试剂中痕量铁，结果满意。

In this paper the spectrophotometric determination of microamount iron with the ternary complex system of Fe (Ⅲ)-Phen-MO has been introduced.The method has high selectivity and precision.It has been used to determine microamount iron in the metal and chemical reagent with satisfactory results.