Determination of Total Mercury and Ionic Mercury in Artificial Gastric Juice of Tibetan Medicine Dangzuo by GAE-AFS

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	Determination of Total Mercury and Ionic Mercury in Artificial Gastric Juice of Tibetan Medicine Dangzuo by GAE-AFS
	Li Cen 1,2; Yang Hong-xia 1,2,3; Wei Li-xin 1,2; Du Yu-zhi 1,2; Zhang Guo-ying 1,2,3
	2011-07-01
发表期刊	SPECTROSCOPY AND SPECTRAL ANALYSIS
ISSN	1000-0593
卷号	31 期号:7 页码:1950-1953
文章类型	Article
摘要	The mercury in Tibetan medicine has become important focus in the research on medicine safety evaluation. The total mercury and the ionic mercury in artificial gastric juice of Tibetan medicine Dangzuo were detected by Gold Amalgam Enrichment-Atomic Fluorescence Spectrometry (GAE-AFS). In the present study, Tibetan medicine Dangzuo was prepared by H(2)SO(4)-KNO(3) digestion system and artificial gastric juice. The established method and condition of instrument were investigated. Under the optimum experimental conditions and instrumental operation parameters, the recovery(n=6)of HgS is 99.56% (RSD =1.94%), the limit of detection for mercury is 0.2 ng . L(-1), the linear range is 0 similar to 500 ng . L(-1),and r=0.999 9. Then, the total mercury and the ionic mercury in artificial gastric juice in Dangzuo samples from different Tibetan regions were assayed. The result showed that the ranges of total mercury and ionic mercury in artificial gastric juice were 3.998 0 similar to 16.735 8 mg . g(-1) and 45.537 7 similar to 1 033.985 0 ng . g(-1), respectively. The analytical method mentioned above is rapid and accurate for determining the amount of mercury in Tibetan medicine Dangzuo.; The mercury in Tibetan medicine has become important focus in the research on medicine safety evaluation. The total mercury and the ionic mercury in artificial gastric juice of Tibetan medicine Dangzuo were detected by Gold Amalgam Enrichment-Atomic Fluorescence Spectrometry (GAE-AFS). In the present study, Tibetan medicine Dangzuo was prepared by H(2)SO(4)-KNO(3) digestion system and artificial gastric juice. The established method and condition of instrument were investigated. Under the optimum experimental conditions and instrumental operation parameters, the recovery(n=6)of HgS is 99.56% (RSD =1.94%), the limit of detection for mercury is 0.2 ng . L(-1), the linear range is 0 similar to 500 ng . L(-1),and r=0.999 9. Then, the total mercury and the ionic mercury in artificial gastric juice in Dangzuo samples from different Tibetan regions were assayed. The result showed that the ranges of total mercury and ionic mercury in artificial gastric juice were 3.998 0 similar to 16.735 8 mg . g(-1) and 45.537 7 similar to 1 033.985 0 ng . g(-1), respectively. The analytical method mentioned above is rapid and accurate for determining the amount of mercury in Tibetan medicine Dangzuo.
关键词	Atomic Fluorescence Spectrometry Gold Amalgam Enrichment Dangzuo Gtso That Hg Artificial Gastric Juice
WOS标题词	Science & Technology ; Technology
收录类别	SCI
语种	英语
WOS研究方向	Spectroscopy
WOS类目	Spectroscopy
WOS记录号	WOS:000292575600048
引用统计	被引频次：2[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://210.75.249.4/handle/363003/1534
专题	中国科学院西北高原生物研究所
作者单位	1.Chinese Acad Sci, NW Inst Plateau Biol, Xining 810008, Peoples R China 2.Qinghai Prov Key Lab Tibetan Med Pharmacol & Safe, Xining 810008, Peoples R China 3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Li Cen,Yang Hong-xia,Wei Li-xin,et al. Determination of Total Mercury and Ionic Mercury in Artificial Gastric Juice of Tibetan Medicine Dangzuo by GAE-AFS[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2011,31(7):1950-1953.
APA	Li Cen,Yang Hong-xia,Wei Li-xin,Du Yu-zhi,&Zhang Guo-ying.(2011).Determination of Total Mercury and Ionic Mercury in Artificial Gastric Juice of Tibetan Medicine Dangzuo by GAE-AFS.SPECTROSCOPY AND SPECTRAL ANALYSIS,31(7),1950-1953.
MLA	Li Cen,et al."Determination of Total Mercury and Ionic Mercury in Artificial Gastric Juice of Tibetan Medicine Dangzuo by GAE-AFS".SPECTROSCOPY AND SPECTRAL ANALYSIS 31.7(2011):1950-1953.