1.
China Pharmacy
;
(12)2005.
Article
in Chinese
| WPRIM
| ID: wpr-533898
ABSTRACT
OBJECTIVE:To determine the content of 5 kinds of heavy metal elements in Astragalus membranaceus from Longxi of Gansu province,i.e. Pb,Cd,Cu,As,Hg. METHODS:Wet digestion pretreatment was carried out for samples and atomic absorption spectrometry (AAS) was used for the determination of heavy metal elements. RESULTS:The contents of 5 kinds of heavy metal elements in A. membranaceus from Longxi of Gansu Province were lower than the limit. CONCLUSION:AAS method can accurately determine the content of heavy metal elements in A. membranaceus.