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research article
核药厂衰变池废水及周边水样中<bold><sup>14</sup>C</bold>的快速筛查法
Authors
戈 立新
赵 超
韩 刚
Publication date
1 June 2025
Publisher
Science Press
Doi
Cite
Abstract
为快速筛查对象水体中14C的存在与否,并提供定量测量结果,采用液闪计数区域优化的方法,结合内标法确定猝灭效应下的计数效率,实现了样品中14C活度浓度的快速准确分析,探测下限为1.8 Bq/L。应用于某核药厂衰变池及周边环境水样中14C活度浓度的分析,其中3个样品活度浓度低于探测下限,其余样品活度浓度分布在38~1 332 Bq/L。自制活度浓度已知的样品验证了该方法的准确性,测量结果相对参考值最大偏差仅1.1%
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Last time updated on 17/07/2025