Abstract:A method is reported for the determination of trace bismuth in traditional chinese medicine by hydride generation atomic fluorescence spectrometry.The effect of different means of digestion, the medium amounts of acid and reducing agent on the determination of Bi is investigated.In the given conditions, the linear range of determination is 0.1-200 μg·L-1, and the detection limit is 0.094 6 μg·L-1.The instrumental relative standard deviation is about 0.55% and the recovery is about 94%-107%.The method is accurate, rapid and convenient with satisfactory results.
Key words:Hydride generation;Atomic fluorescence spectrometry;Bismuth;Traditional Chinese medicine
石 杰,宋庆国,赵开楼,龚雪云. 氢化物发生-原子荧光法测定中草药中的痕量铋[J]. 光谱学与光谱分析, 2005, 25(08): 1355-1357.
SHI Jie, SONG Qing-guo, ZHAO Kai-lou, GONG Xue-yun. Determination of Trace Bismuth in Traditional Chinese Medicines by Hydride Generation Atomic Fluorescence Spectrometry . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(08): 1355-1357.
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