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

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 0.19 μg/g、锑0.052 μg/g、铋0.049 μg/g；精密度（RSD, n=10）为砷 5.87%、锑7.58%、铋2.42%。
- 氢化物发生-原子荧光光谱法； /
- /
- 砷； /
- 锑； /
- 铋； /
- 铜矿石
Abstract: 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 Fe3+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.
- hydride /
- generation-atomic /
- fluorescence /
- spectrometry /
- /
- arsenic