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WANG Jian qing, CHEN Xi lin, JIA Xue wen, YANG Qiao ling(Radiometrology Division, China Institute of Atomic Energy, Beijing 102413, China). Absolute Measurement of ~(59)Fe and International Comparison[J]. Atomic Energy Science and Technology, 2000, 34(2): 173-173. DOI: 10.7538/yzk.2000.34.02.0173
Citation: WANG Jian qing, CHEN Xi lin, JIA Xue wen, YANG Qiao ling(Radiometrology Division, China Institute of Atomic Energy, Beijing 102413, China). Absolute Measurement of ~(59)Fe and International Comparison[J]. Atomic Energy Science and Technology, 2000, 34(2): 173-173. DOI: 10.7538/yzk.2000.34.02.0173
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  • A sample of 59 Fe solution for international comparison was measured in our laboratory by 4πγ pressured ionization chamber and 4πβ γ coincidence apparatus as well, and a similar 59 Fe solution in a NIST/SIR ampoule was send to BIPM to be measured by the International Reference System for activity measurements of gamma ray emitting nuclides(SIR) by ETL. The result is in a good agreement with the one measured by ETL, and both results are very near to SIR mean value.
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