连续滴定法测定矿石及合金中砷锑含量  

Continuous determination of Sb and As in ore and alloy by titration

作　　者：王津[1] 戴凤英[1] 

机构地区：[1]广州有色金属研究院分析测试中心,广东广州510650

出　　处：《材料研究与应用》2007年第3期242-244,共3页Materials Research and Application

摘　　要：用浓硫酸溶样,在一定温度下,先用硫酸铈滴定,再用溴酸钾滴定,可分别计算出Sb和As的含量.该法操作简单、测定快速,相对标准偏差小于1.5%,适用于常规的矿石和合金中砷锑的测定.The sample is decomposed with H2SO4 , under a certain acidity and temperature, Sb can be determined by CeSO4 titration first, and As can be determined by KBrO3 titration. This method proved to be fast and precise. The relative standard deviation is less than 1.5%, this method of continuous titration is suitable for regular analysis in ore and alloy.

关 键 词：As SB 硫酸铈 溴酸钾 连续滴定 

分 类 号：O655.2[理学—分析化学]