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Gold Science and Technology ›› 2014, Vol. 22 ›› Issue (1): 81-86.doi: 10.3969/j.issn.1005-2518.2014.01.081

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The Choice of Elements Determination Method for Regional Geochemical Survey Sample in Xinjiang Province

LIU Ling，ZHOU Yuanyang，GAO Fengli，MEN Qianni   

  1. No.5 Gold Geological Party of CAPF，Xi’an   710100，Shaanxi，China
  • Received:2013-08-30 Revised:2013-11-05 Online:2014-02-28 Published:2014-06-25

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Abstract:

It is the most important factor to ensure the quality of analytical data for analysis method of the regional geochemical survey samples.In this paper，11 mineral elements （V，Cr，Cu，Zn，Co，Ni，Ba，Ti，Mo，W，Pb） of the regional geological survey samples in a region of Xinjiang were jointly determined by Inductively Coupled Plasma Mass Spectrometry and X-ray Fluorescence Spectrometer.The results of same batch samples for ICP-MS and XRF were compared，and the best analysis method for different elements was optimized，the analytical method precision and accuracy were evaluated too.Finally，a set of scientific matching program was established which apply to analysis the regional geochemical survey samples.The detection limit and the precision of the method meet DZ0130.4-2006 and supplemental instructions for 1∶50 000 geochemical samples standards.The reliability of the method has been tested by elements determination in Standard Reference Materials and the results are in agreement with the certified values.The matching program（ICP-MS and XRF） is rapid and high sensitivity，and it can be used to geochemical mapping samples analysis.

Key words: ICP-MS, XRF, regional geological survey samples

CLC Number: 

  • O657

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