稀土金属产品中放射性的测定
Acta Geologica Sichuan(2013)
Abstract
对于稀土金属产品的总α总β放射性测定,采用一般分析方法前期制样难度大,不易达到制成样品源的粒度。本法通过将稀土金属产品制成削状,用适量盐酸和硝酸低温加热溶解,再加入硫酸蒸干使试液中残渣最后形成硫酸盐,通过研磨混匀的方式,制成满足有效厚度且少于最大取样量的样品源,从而实现总α总β放射性的测量。
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