原子吸收光谱法对赣南产乌药中六种金属元素的测定

Determination of Six Metals in Lindera aggregata (Sims) Kosterm by Atomic Absorption Spectrometry

运用火焰原子吸收光谱法测定赣南产乌药中Fe、Cu、Mg、Ca、Mn、Zn6种金属元素。用浓硝酸微波消解样品,采用标准曲线法测定。所测定的乌药含有丰富的人体必需金属元素,采用此方法回收率在90.00%～101.33%之间。该方法简单、准确,结果令人满意。

The contents of Fe,Cu,Mg,Ca,Mn and Zn in Lindera aggregata（Sims） Kosterm were analyzed by flame atomic absorption spectrometry after microwave digestion with HNO3.The results showed that there were abundant trace necessary elements for people in Lindera aggregata（Sims） Kosterm..The recoveries of these trace elements were from 90.00% to 101.33%.In conclusion,it was a simple,accurate and satisfied method to detect trace elements.