5种补益类中药中重金属的含量测定

Determination of heavy metal elements in five beneficial traditional Chinese medicines

目的测定 5种补益类中药材中有害重金属元素铅、镉、砷、汞、锡的含量。方法原子吸收分光光度法、比色法、原子荧光光度法分别测定含量。结果与结论表明此类药材中都含有一定量的有害重金属 。

Objective To determine heavy elements in five beneficial traditional Chinese medicines.Methods The Pb,Cd,As,Hg,Sn in the medicines were analysed respectively by the atomic absorption spectrophotography(AAS),atomic fluorescence spectrophotography,colorimetry, etc.Results and conclusions There are heavy metal elements in the above medicines some heavy metal elements of which are over the limits of the standards.