Determination of Hg, Se and As in Plant Samples by Hydride Generation-Atomic Fluorescence Spectrometry

ZHAO Bin; CHEN Zhi-bing; DONG Li

Rock and Mineral Analysis > 2010 > 29(3): 319-321.

ZHAO Bin, CHEN Zhi-bing, DONG Li. Determination of Hg, Se and As in Plant Samples by Hydride Generation-Atomic Fluorescence Spectrometry[J]. Rock and Mineral Analysis, 2010, 29(3): 319-321.

Citation:

ZHAO Bin, CHEN Zhi-bing, DONG Li. Determination of Hg, Se and As in Plant Samples by Hydride Generation-Atomic Fluorescence Spectrometry[J]. Rock and Mineral Analysis, 2010, 29(3): 319-321.

Citation:

ZHAO Bin, CHEN Zhi-bing, DONG Li. Determination of Hg, Se and As in Plant Samples by Hydride Generation-Atomic Fluorescence Spectrometry[J]. Rock and Mineral Analysis, 2010, 29(3): 319-321.

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Determination of Hg, Se and As in Plant Samples by Hydride Generation-Atomic Fluorescence Spectrometry

1.
Geological Survey of Jiangsu Province, Nanjing 210018, China
2.
Geological Survey of Jiangsu Province, Nanjing 210018, China
3.
Geological Survey of Jiangsu Province, Nanjing 210018, China

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Received Date: August 18, 2009
Revised Date: January 11, 2010

Abstract

ABSTRACT

A method for simultaneous determination of mercury, selenium and arsenic in plant samples by atomic fluorescence spectrometry was developed. The samples were digested with HNO₃-HClO₄ and tributyl phosphate (TBP) was added for effectively eliminating foam, reducing memory effect and improving the accuracy. The method has been applied to the determination of trace Hg, Se and As in National Standard Reference Materials and the results are in agreement with certified values. The recovery test was satisfactory with precision (RSD, n=12) of 2.96%, 0.96% and 2.49% for Hg, Se and As, respectively.
- hydride,
- generation,
- atomic,
- fluorescence,
- spectrometry,
- mercury

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References

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