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Determination of Iridium in Environmental and Geological Samples by NAA with α-Amino Pyridine Resin Preconcentration

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Abstract

The Ir, Au and Pd concentrations in three certified reference materials SARM-7, FC-1 and DZΣ-1 were determined by neutron activation analysis using α-amino pyridine preconcentration. Good agreement between the reference values and our results was obtained, and the reliability of our method was confirmed. This method is suitable for ppb or sub-ppb levels of Ir and Au analyses in environmental and geological samples. The Ir and Au levels in a Chinese coastal sediment GBW07314 were also analyzed.

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Authors and Affiliations

  1. Institute of High Energy Physics and Laboratory of Nuclear Analysis Techniques, Chinese Academy of Sciences, P.O. Box 2732, Beijing, 100080, P. R. China

    Xiongxin Dai

  2. Institute of High Energy Physics and Laboratory of Nuclear Analysis Techniques, Chinese Academy of Sciences, P.O. Box 2732, Beijing, 100080, P. R. China

    Zhifang Chai

  3. Institute of High Energy Physics and Laboratory of Nuclear Analysis Techniques, Chinese Academy of Sciences, P.O. Box 2732, Beijing, 100080, P. R. China

    Xueying Mao & Hong Ouyang

Authors
  1. Xiongxin Dai
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  2. Zhifang Chai
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  3. Xueying Mao
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  4. Hong Ouyang
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Dai, X., Chai, Z., Mao, X. et al. Determination of Iridium in Environmental and Geological Samples by NAA with α-Amino Pyridine Resin Preconcentration. Journal of Radioanalytical and Nuclear Chemistry 245, 47–49 (2000). https://doi.org/10.1023/A:1006786612035

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  • DOI: https://doi.org/10.1023/A:1006786612035

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