环境水样中铬形态分析方法研究

Speciation Analysis of Chromium in Environmental Water Samples

摘要: 研究了水体中几种形态铬的存在状态，分离条件。提出离子交换为主的铬形态分离流程。结合二苯碳酰二肼光度法可测定水样中总铬，溶解态铬，颗粒态铬，六价态铬，无机态和有机态三价铬。已用所拟流程于水样及药物中铬的形态分析，水样加标回收率在９２％－９７％，药物分析结果与标量相符。

Abstract: Existent states and separation conditions of chromium species in environmental water samples were studied. A method for speciation analysis of chromium by ion exchange with DPC spectrophotometric determination was developed. The method has been applied to