参加美国EML组织的国际比对项目总结

Abstract

Abstract: China Institute for Radiation Protection (CIRP) has participated in a quality assessment program organized by US EML for testing the quality of environmental radioactivity measurements from 1997 to 2004. A total number of 43 samples in three different matrices were analyzed, and 212 analytical results were presented. For the evaluation performance, 97% of the results were designated as A (Acceptable) and 3% as N (Not Acceptable). The N (Not Acceptable) results were found for four nuclides in all three sample matrices including ²⁴¹Am, ⁶⁰Co, ⁵⁷Co and ⁵⁴Mn. The evaluation results of this inter-comparison project showed that the efficiency calibration for γ spectrometry analysis at CIRP has been acceptable but the interferences on the low-energy radionuclides has not yet been treated very well.

Key words: environmental matrix, radionuclide measurement, interlaboratory comparison, evaluation criteriaofic

CLC Number:

X830.5

Ren Xiaona, Song Hailong, Han Yuhu, Wang Ruijun, Huang Zhijian. Report on CIRP participitation in international inter-comparison projects organized by US EML[J].RADIATION PROTECTION, 2017, 37(3): 180-188.

References

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Report on CIRP participitation in international inter-comparison projects organized by US EML

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