云南冶金2011，Vol.40Issue(5)：57-59,3.
原子荧光法测定精锑中微痕量砷
Trace Arsenic in Refined Antimony Measurement by Atomic Fluorescence
摘要
Abstract
How to measures the trace arsenic in refined antimony by atomic fluorescence is referred in this paper. Sulfuric acid is adopted to dissolve the test sample, and sodium hydroxide is selected for neutralization until the phenolphthalein becomes red and make the matrix antimony settled and separated with arsenic. Get some separated solution and use thiourea and ascorbic acid to reduce arsenate to bivalent arsenic, and then take the atomic fluorescence spectrometry measurement. This is a good effectual, sensitive, practical and fast method to separate antimony. The relative coefficient is 0. 998. The measure range is 0.00005 ~0. 50%. Since 2 years production, the result is stable and correct.关键词
原子荧光法/精锑/微痕量砷的测定Key words
atomic fluorescence/ refined antimony/ measurement of trace arsenic分类
化学化工引用本文复制引用
李蓉,范丽汇..原子荧光法测定精锑中微痕量砷[J].云南冶金,2011,40(5):57-59,3.
