Content Determination of Heavy Metal Elements in Astragalus membranaceus from Longxi of Gansu Province
- VernacularTitle:甘肃陇西黄芪中重金属的含量测定
- Author:
Tao CHEN
;
Jin LI
- Publication Type:Journal Article
- Keywords:
Longxi of Gansu province;
Astragalus membranaceus;
Heavy metal elements;
Content determination;
Atomic ab-sorption spectrometry
- From:
China Pharmacy
2005;0(15):-
- CountryChina
- Language:Chinese
-
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.
