Determination of Total Arsenic in Chinese Traditional Herbs by High Pressure Digestion-Hydride Generation Atomic Fluorescence Spectrometry

Wei Liu; Qing Shan Pan; Pei Zhang; Du Shu Huang; Ai Ping Fan; Ping Yi

doi:10.4028/www.scientific.net/AMR.554-556.1967

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Determination of Total Arsenic in Chinese Traditional Herbs by High Pressure Digestion-Hydride Generation Atomic Fluorescence Spectrometry
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 554-556Determination of Total Arsenic in Chinese...

Determination of Total Arsenic in Chinese Traditional Herbs by High Pressure Digestion-Hydride Generation Atomic Fluorescence Spectrometry

Abstract:

To determine total arsenic in Chinese traditional herbs, a hydride generation atomic fluorescence spectrometry method was developed. The samples were pretreated by digesting system with HNO3-H2O2. The experimental conditions were studied and optimized. Under the optimum conditions, the samples was measured. There was a good linear relationship between the fluorescence intensity and arsenic concentration in the range of 0～80μg•L-1with a correlation coefficient of 0.9995,while the detection limit was 0.036μg•L-1,the relative standard deviation was 1.9% .Trace total arsenic in the samples was 0.145～0.376μg•g-1 and a recovery range of 83.9%～108.5% were obtained.

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Advanced Materials Research (Volumes 554-556)

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1967-1970

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https://doi.org/10.4028/www.scientific.net/AMR.554-556.1967

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July 2012

Authors:

Wei Liu, Qing Shan Pan, Pei Zhang, Du Shu Huang, Ai Ping Fan, Ping Yi

Keywords:

Arsenic, Atomic Fluorescence Spectrometry, Chinese Traditional Herbs

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