Arsenic is separated from the bismuth matrix by ion exchange method and determined by hydride generation atomic absorption spectrophotometry.
该方法用离子交换将砷同基体铋分离，然后用氢化物发生原子吸收光谱法测定。
2
For the standard analytical method, the series of standard solution for the determination of As, se and Hg in water by atomic fluorescence spectrophotometry must be prepared for every test.