火焰原子吸收光谱法测定甘草中的铁、锌和锰

Determination of Fe,Zn and Mn in Chinese Herbs Liquorice by Flame Atomic Absorption Spectrometry

采用火焰原子吸收光谱法测定了甘草中的微量元素铁、锌和锰的含量 ,方法简单 ,精密度和灵敏度高 ,相对标准偏差为 0 .2 36 %— 0 .718% ,回收率为 94 .5 %— 99.2 %。

The amounts of Fe,Zn and Mn in liquorice were determined by flame atomic absorpt ion spectrometry.The method is simple,precise and sensitive with the RSD of 0.23 6%—0.718% and the recovery of 94.5%—99.2%.