NaI(Tl)γ能谱仪用于核应急比对样品测量误差分析与控制

Chinese Journal of Radiological Health(2013)

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Abstract
目的探讨NaI(Tl)γ能谱仪用于核应急比对样品测量的误差来源与控制措施。方法根据谱仪结构原理,分析误差因素,采取相应措施。结果采取误差控制措施前碘-131的测量误差为42.6%~44.0%,控制后降至0.7%~2.2%;相应铯-137由16.6%~19.4%降至6.6%~9.7%。结论碘化钠γ谱仪完全可以应用于核应急监测工作。
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