放射性钠气溶胶监测仪校准方法研究

TL99; 中国实验快堆(China Experimental Fast Reactor,CEFR)采用液态金属钠为冷却剂,一回路冷阱工艺间的放射性钠气溶胶对工作人员的健康和安全有危害,需要对其进行监测以便及时采取相应的防护措施.为保证监测结果的准确性,需要对放射性钠气溶胶监测仪进行定期校准.通过采用特制的放射性气溶胶滤膜源,对放射性钠气溶胶监测仪进行校准方法研究,分别对监测仪计数率对标准源活度响应、相对误差、重复性等主要校准不确定度来源进行分析及不确定度评定.研究结果表明:放射性钠气溶胶监测仪计数率对活度响应因子的不确定度为5％(k=2),该校准方法适用于放射性钠气溶胶监测仪的校准,满足该监...

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Published in核技术 Vol. 44; no. 5; pp. 32 - 36
Main Authors 李明, 徐利军, 戎永华, 林敏, 叶宏生, 张卫东, 罗瑞, 陈克胜
Format Journal Article
LanguageChinese
Published 中国原子能科学研究院计量与校准技术重点实验室 北京 102413 15.05.2021
Subjects
监测仪校准技术
标准γ体源
钠气溶胶
Online AccessGet full text
ISSN0253-3219
DOI10.11889/j.0253-3219.2021.hjs.44.050401

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Abstract TL99; 中国实验快堆(China Experimental Fast Reactor,CEFR)采用液态金属钠为冷却剂,一回路冷阱工艺间的放射性钠气溶胶对工作人员的健康和安全有危害,需要对其进行监测以便及时采取相应的防护措施.为保证监测结果的准确性,需要对放射性钠气溶胶监测仪进行定期校准.通过采用特制的放射性气溶胶滤膜源,对放射性钠气溶胶监测仪进行校准方法研究,分别对监测仪计数率对标准源活度响应、相对误差、重复性等主要校准不确定度来源进行分析及不确定度评定.研究结果表明:放射性钠气溶胶监测仪计数率对活度响应因子的不确定度为5％(k=2),该校准方法适用于放射性钠气溶胶监测仪的校准,满足该监测仪量值溯源的要求.
AbstractList TL99; 中国实验快堆(China Experimental Fast Reactor,CEFR)采用液态金属钠为冷却剂,一回路冷阱工艺间的放射性钠气溶胶对工作人员的健康和安全有危害,需要对其进行监测以便及时采取相应的防护措施.为保证监测结果的准确性,需要对放射性钠气溶胶监测仪进行定期校准.通过采用特制的放射性气溶胶滤膜源,对放射性钠气溶胶监测仪进行校准方法研究,分别对监测仪计数率对标准源活度响应、相对误差、重复性等主要校准不确定度来源进行分析及不确定度评定.研究结果表明:放射性钠气溶胶监测仪计数率对活度响应因子的不确定度为5％(k=2),该校准方法适用于放射性钠气溶胶监测仪的校准,满足该监测仪量值溯源的要求.
Author 叶宏生
徐利军
林敏
陈克胜
罗瑞
戎永华
李明
张卫东
AuthorAffiliation 中国原子能科学研究院计量与校准技术重点实验室 北京 102413
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LUO Rui
RONG Yonghua
LIN Min
XU Lijun
YE Hongsheng
LI Ming
ZHANG Weidong
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标准γ体源
钠气溶胶
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Title 放射性钠气溶胶监测仪校准方法研究
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