2005•Chemical Research and ApplicationRequires access

Synthesis of new chromogenic reagent and its application in the determination of trace element cerium in hot-dipping zinc alloy

Jun Zong

Abstract

This paper reports the synthesis of new reagent DBM-FsaA for a simple and rapid spectrophotometric method for the determination of trace cerium in alloy with DBM-FsaA.In the strong acid cerium with a new chromogeric reagent DBM-FsaA forms violet-blue stable complex which shows maximum absorption at 620 nm with a molar absorption 1.22×10~5 L·mol~(-1)cm~(-1).Beer's law is obeyed in the range of 0-25μg/25ml for cerium.This method has been used for the determination of trace cerium in zinc alloy with satisfactory results.

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Key concepts: Cerium, Reagent, Chromogenic, Zinc, Chemistry, Alloy, Trace Amounts, Molar absorptivity