本文介绍的以溴化十六烷基三甲基铵(CTMAB)作增溶剂,用溴邻苯三酚(BPR)作显色剂的胶束增敏光度法测定钛合金中微量铬的方法,经生产试验证明实用可靠,现介绍如下: 在CTMAB存在的情况下,BPR与Cr~(6+)生成络合比为Cr~(6+):BPR=1:3的有色络 In this paper, the method of micellar sensitizing spectrophotometric determination of trace chromium in titanium alloy with cetyltrimethylammonium bromide (CTMAB) as solubilizer and brominated pyrogallol (BPR) The production test proved practical and reliable, are described as follows: In the presence of CTMAB, BPR and Cr ~ (6 +) to form a complex ratio of Cr ~ (6 +): BPR = 1: 3 colored network