CJCU

Chem. J. Chinese Universities ›› 1999, Vol. 20 ›› Issue (S1): 82.

• Atomic Spectrometry • Previous Articles     Next Articles

Determination of Ultra-trace Amounts of Selenium by Hydride Generation- Gold Wire Collection-Atomic Spectrometry

GUO Xiao-Wei1, GUO Xu-Ming2   

  1. 1. Northwest Geological Research Institute of CNNC, No. 25, Xiying Road, 710054, Xi'an, China;
    2. Department of Chemistry and the Key Laboratory of Analytical Sciences of MOE, Xiamen University, Xiamen 361005, P. R. China
  • Online:1999-12-31 Published:1999-12-31
  • Contact: GUO Xiao-Wei
  • Supported by:

    Supported by the National Science foundation of China.

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Abstract:

It is well known that mercury is the only metal which can be pre-concentration by gas phase amalgamation on a suitable noble metal such as Au,Au-Pt alloy wire, and subsequently determination by AAS and AFS. By using this technique, which only required a simple accessory, the detection limit of an analytical method can be greatly improved simply by increasing the sampling volume. Unfortunately, this enrichment technique could only be applied to Hg so far.

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