石墨炉原子吸收法测定蜂胶乙醇提取物中铅

Journal of Tarim University(2010)

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Abstract
本文采用浓硝酸与高氯酸混合液消解蜂胶乙醇提取物试样得清亮试液,并通过石墨炉原子吸收光谱仪测定其中的铅含量。工作曲线线性回归方程为A=0.006 9C-0.000 4,检出限为0.082 ug/L,标准品的相对标准偏差为2.1%~2.5%,实测样品回收率106.2%~108.4%。结果表明此方法准确度高,重现性好,操作简便快速,可以满足蜂胶产品铅含量检测。
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Key words
graphite furnace atomic absorption spectrometry(GF-AAS),lead,propolis
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