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不同前处理对血清矿物质测定的影响

, PP. 565-568

Keywords: ICP-AES,样品前处理,血清,矿物质元素

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Abstract:

目的比较血清中矿物质元素测定样品前处理的方法。方法40例血清样品分别用石墨炉和微波消解仪进行消解,用ICP-AES在相同条件下测定Li、Mn、Ni、Sn、B、Cd、Sr、Cr、Cu、Fe、Zn、Al、P、S、K、Ca、Na、Mg。结果统计结果表明,微波消解法测得血清Li、Mn、Ni、Sn、B、Cr、Fe、Zn、、K、Ca、Na、Mg的含量明显高于湿化消解法;血清Cd、Sr、Cu、Al、P、S量法的测定结果差异无统计学意义。结论根据检出限、精密度、加标回收率的结果,建议测定血清中矿物质元素时采用微波消解法。

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