海水中137Cs和90Sr分析的实验室间比对

Abstract

Abstract: Inter-comparison results among analytical laboratories for the measurements of ¹³⁷Cs and ⁹⁰Sr in seawater in 2020 is described in this paper. The spiked seawater samples were distributed to 13 participating laboratories, and their analytical results were compared to the reference values. The relative deviation of ¹³⁷Cs between measured values and reference value was -2.99% to 5.97%. The results had passed all criteria and were assigned “Accepted” status as a final score. In the case of ⁹⁰Sr, one measured result did not pass the accuracy test and correctness test, so it was considered as “Not Accepted”. All other results were accepted. The analytical laboratories participating in this inter-comparison have good overall comparison results.

Key words: seawater, ¹³⁷Cs, ⁹⁰Sr, radioactivity, inter-comparison

CLC Number:

X830.2

LIN Jing, HUANG Dekun, NI Jialin, JI Jianda, ZHONG Qiangqiang, ZHANG Jinzhao, YU Tao. Inter-comparison results of ¹³⁷Cs and ⁹⁰Sr in seawater among analytical laboratories[J].RADIATION PROTECTION, 2023, 43(5): 485-489.

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Inter-comparison results of ¹³⁷Cs and ⁹⁰Sr in seawater among analytical laboratories

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Inter-comparison results of 137Cs and 90Sr in seawater among analytical laboratories

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Inter-comparison results of ¹³⁷Cs and ⁹⁰Sr in seawater among analytical laboratories