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本文介绍了以原子吸收光谱法，直接测定尿中钙的含量。本方法不仅具有快速、简便等特点，而且采用了氯化锶做释放剂，并有效的消除了共存元素的干扰。回收率为９９．６％－１０４．２％。
This article describes the direct determination of urinary calcium by atomic absorption spectrometry. The method not only has the characteristics of quickness and simplicity, but also uses strontium chloride as a releasing agent and effectively eliminates the interference of the coexisting elements. The recovery rate was 99.6% -104.2%.