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LU Junhong, CAO Chunlei. Determination of Gold in Geochemical Exploration Samples by Emission Spectrometry[J]. Rock and Mineral Analysis, 2009, 28(5): 499-500.
Citation: LU Junhong, CAO Chunlei. Determination of Gold in Geochemical Exploration Samples by Emission Spectrometry[J]. Rock and Mineral Analysis, 2009, 28(5): 499-500.
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Determination of Gold in Geochemical Exploration Samples by Emission Spectrometry

  • 1.

    Geoanalysis Laboratory of the 6thGeological Team, Xinjiang Geology and Mineral Bureau

  • 2.

    Geoanalysis Laboratory of the 6thGeological Team, Xinjiang Geology and Mineral Bureau

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  • Received Date: September 12, 2008
  • Revised Date: January 04, 2009
    Abstract
  • Sample was digested with HCl-NaCl-KMnO4and gold in the sample was then determined by arc-emissionspectrometry with powdered carbon as a buffer and Pt as an internal standard. The detection limit of the method was 0.22 ng/g for Au with detection range of 0.3～1500 ng/g. The method has been applied to the determination of Au in National Standard Reference Materials. The results are in agreement with the certified values with precision of 3.2%～12.8%RSD
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