摘要
文章研讨了萃取分离-碘滴定法测定粗铅等物料中砷含量的方法,对还原方法、酸度。萃取-反萃取时间、常见元素的干扰等进行了试验,建立了以萃取分离-碘滴定法测定砷含量的方法。该方法具有快速、准确、精密度好的特点,砷回收率为97%～100%。
The paper studies the extraction-Determination of iodine in the crude lead and arsenic in the material way,the reduction method,acidity,extraction-stripping time.And the common elements of the interference are tested,and the extraction -iodine titration Determination of arsenic content of the method is put forward.The method is featured by speedy,accurate, and good precision,whose recovery is 97%～100%.
出处
《企业科技与发展》
2011年第7期21-22,共2页
Sci-Tech & Development of Enterprise
关键词
砷
苯
萃取
碘滴定法
arsenic
benzene
extraction
iodine titration
