氢化物发生-原子荧光光谱法测定铜矿石中的砷锑铋  

Determination of Arsenic,Antimony and Bismuth in Copper Ores by Hydride Generation-Atomic Fluorescence Spectrometry

作　　者：马玲[1] 查立新 冯玲玲[1] 刘文长[1] 

机构地区：[1]安徽省地质实验研究所,安徽合肥230001

出　　处：《岩矿测试》2009年第5期497-498,共2页Rock and Mineral Analysis

摘　　要：样品经王水溶矿分解,在氨水存在下,以Fe3+作共沉淀剂分离铜后,用氢化物发生-原子荧光光谱法测定铜矿石中的砷、锑、铋。方法检出限为砷0.19μg/g、锑0.052μg/g、铋0.049μg/g;精密度(RSD,n=10)为砷5.87%、锑7.58%、铋2.42%。A method for the determination of arsenic, antimony and bismuth in copper ores by hydride generation-atomic fluorescence spectrometry was developed. The sample was dissolved by aqua regia and copper was then effectively separated by using Fe^3＋ as coprecipitation agent in ammonium hydroxide solution. Arsenic, antimony and bismuth in the sample solution were determined by hydride generation-atomic fluorescence spectrometry. The detection limits of the method are 0.19 μg/g for arsenic, 0.052 μg/g for antimony and 0. 049 μg/g for bismuth. The precisions （RSD, n = 10） of the method are 5.87% for arsenic, 7.58% for antimony and 2.42% for bismuth.

关 键 词：氢化物发生-原子荧光光谱法 砷 锑 铋 铜矿石 

分 类 号：O657.31[理学—分析化学] O613.63[理学—化学]