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同位素  2011 

核电站周边环境中锕系元素的加速器质谱测定

, PP. 219-224

Keywords: 锕系元素,核电站,加速器质谱

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Abstract:

为了评估位于意大利南部的Garigliano核电站对周边环境的影响,利用超灵敏的加速器质谱技术对核电站周围环境表层土壤中236U和钚同位素的含量进行了测定。测量结果表明,每克表层土壤中含236U、239Pu和240Pu的原子数分别为106~107、107~108和106~107。其中,240Pu与239Pu的原子数之比为0.17~0.22,表明环境表层土壤中的锕系元素主要来源于大气沉降,核电站对周围环境的影响可以忽略。

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