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Determination of Inorganic Arsenic in a Wide Range of Food Matrices using Hydride Generation - Atomic Absorption Spectrometry.
Published on: September 1, 2017
[Determination of trace bismuth in traditional Chinese medicines by hydride generation atomic fluorescence
Jie Shi1, Qing-guo Song, Kai-lou Zhao
1Department of Chemistry, Zhengzhou University, Zhengzhou 450052, China.
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 microg x L(-1), and the detection limit is 0.0946 microg x 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.
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