Intercomparison of gamma-ray spectrometry analysis of radionuclides in soil samples between China and Japan
10.3760/cma.j.issn.0254-5098.2011.06.022
- VernacularTitle:中日γ能谱分析土壤样品中放射性核素的比对
- Author:
Qiang ZHOU
;
Jing ZHANG
;
Wenhong LI
;
Fei TUO
;
Qing ZHANG
;
Li ZHAO
;
Cuihua XU
;
Xu SU
- Publication Type:Journal Article
- Keywords:
lntercomparison;
Soil samples;
Gamma-ray spectrometry;
Radionuclide
- From:
Chinese Journal of Radiological Medicine and Protection
2011;31(6):704-707
- CountryChina
- Language:Chinese
-
Abstract:
Objective To test a full range of processes of sample collection,preparation,measurement and analysis by conducting the intercomparison of gamma-ray spectrometry measurement and analysis of radionuclides among key laboratories,so as to facilitate the development of gamma-ray spectrometry measurement and analysis technology.Methods To complete the collection and preparation of soil samples by Chinese Center for Disease Control and Prevention (CDC) laboratory and to measure and analyze the content in two soil samples of 214Pb,214Bi,208TI,228Ac,40K and 137Cs by three laboratories using gamma-ray spectrometry.Results The value calculated by any two laboratories were less than 1 in terms of assessment standards agreed by these three laboratories and based on the activity concentrations and the total uncertainty reported from them.The measurement results from our lab were acceptable.Conclusions Measurement results from these three laboratories are in agreement to some extent.This intercomparison activity has tested the analytical ability of the three laboratories and raised the level of our laboratory in testing homogeneity of sample preparation.
