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15问答网 > 原子吸收测CU如何做加标试验？回收率怎么算

原子吸收测CU如何做加标试验？回收率怎么算

2025-04-10 11:45:47

推荐回答（1个）

回答1：

最近实验室搞内部质控，火焰法测CU，样品浓度测得为0.013mg/L, 取10mL浓度为10.0ug/mL标准液于50mL容量瓶中，用待测样品定容至刻度，加标二次平行结果测得为2.004mg/L，报告结果为1.991mg/L

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