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本文用荧光法测定了“复方多微胶囊”中的微量硒。其方法回收率为96.4～104.9%,变异系数2.3%。锌、铁、铜和钙等元素对测定结果影响较小。本法线性关系为0～0.5μg。此法特异性强、准确度高且能进行批量测定。
In this paper, the determination of trace amount of selenium in “compound multi-microcapsules” by fluorescence method. The method recovery was 96.4 ~ 104.9%, the coefficient of variation of 2.3%. Zinc, iron, copper and calcium and other elements have little effect on the determination results. The linear relationship of this law is 0 ~ 0.5μg. This method is highly specific, accurate and capable of batch determination.