Determination of Copper and zinc in schisandra、arimillaria mellea and fern By Flame Atomic Absorption Spectrophotometry
LI Qiao_yun,WANG Xue_ying,ZHANG Hai_yan(Dept.of Chem.Changshu College,Changshu 215500,China)
The content of the copper and zinc in schisandra?arimillaria mellea and fern is determined.The relative standard deviation(RSD) is 0.46%～1.2% and the percentage of recovery is 96.0%～100.4%. This method is convenient,rapid and accurate. It can be used to determine the trace elements in traditional Chinese medicines.