重金属
高氯酸
硝酸
化学
等离子体原子发射光谱
原子吸收光谱法
金属
花椒
环境化学
传统医学
感应耦合等离子体
无机化学
有机化学
物理
等离子体
医学
量子力学
作者
Dongmei Wang,Feng Jing,Fu-Jing Qin,Yi-Sheng Mo
出处
期刊:PubMed
日期:2012-03-01
卷期号:35 (3): 366-8
被引量:2
摘要
To determine the contents of six heavy metal elements in traditional Chinese medicine of Zanthoxylum nitidum in twelve habitats by ICP-AES.Nitric acid- perchloric acid mixed acid digested system was used to completely decomposed the organic compounds effectually. The As, Cr, Hg, Ni, Cd and Pb were determined by the absorption spectroscopy under set up working conditions.An efficient, simple and accurate method was established. The recoveries were 90.82%-101.21% and RSDs were within 3.0%.The contents of six heavy metal elements are different in Zanthoxylum nitidum from different habitats. As, Cr and Hg were not detected. The content of Pb which from eleven habitats is consistent with the standards of medicine and export except from Nanning habitats, meanwhile the content of Cd all exceeds those standards.
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