溴酸钾滴定法测定铜冶炼烟尘中的砷含量  

Determination of Arsenic Content in Copper Smelting Dust by Potassium Bromate Titration

作　　者：陈娅陶 李艳萍 袁梦梅 毛云娟 刘敏 李云涛 CHEN Yatao;LI Yanping;YUAN Mengmei;MAO Yunjuan;LIU Min;LI Yuntao(Fumin Salary Metallurgical Industry & Trade Co.,Ltd.,Kunming,Yunnan 650400,China)

机构地区：[1]富民薪冶工贸有限公司,昆明650400

出　　处：《中国无机分析化学》2020年第5期6-10,共5页Chinese Journal of Inorganic Analytical Chemistry

摘　　要：研究了测定铜冶炼烟尘中砷含量的溴酸钾滴定方法。对测定体系中的各共存元素进行研究,探讨了测定方法的各项测定条件,方法的相对标准偏差RSD为0.13%~0.61%,样品加标回收率在99.5%~100%,方法精密度高,准确度好,适用于铜冶炼烟尘中砷含量为1.00%~50.00%的测定。In this paper,the potassium bromate titration method for the determination of arsenic in copper smelting dust was studied.The coexisting elements in the determination system were studied experimentally.The determination conditions of the method were discussed.The relative standard deviation of the method is 0.13%—0.61%,and the recovery of the sample is 99.5%—100%.The method has high precision and accuracy.It is suitable for the determination of arsenic content in copper smelting dust from 1.00%to 50.00%.

关 键 词：铜冶炼烟尘 砷 溴酸钾滴定法 

分 类 号：O655.2[理学—分析化学]