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Determination of the major metal elements including heavy metals in Saffron from Tibet and Henan by ICP-AES or ICP-MS

Ling-Han Jia, Yi Liu*, Yu-Zhen Li   

  1. 1. School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
    2. Department of Pharmacy, Peking University People's Hospital, Beijing 100044, China
  • Received:2011-01-24 Revised:2011-04-08 Online:2011-05-06 Published:2011-05-06
  • Contact: Yi Liu*

Abstract:

A quick and sensitive method was developed for the determination of 19 metal elements in Saffron, a traditional Chinese medicinal herb, collected from Tibet Autonomous Region and Henan Province of China using inductively coupled plasma atomic emission spectrometry (ICP-AES) or inductively coupled plasma mass spectrometry (ICP-MS). The determined 19 metals in Saffron include Ca, Fe, Mg, P, Sr, Al, Mn, Zn, V, Cr, Se, Co, Ni, Mo, and heavy metals As, Cu, Cd, Hg and Pb. For all the analyzed elements, the correlative coefficients of the calibration curves were no less than 0.9938. This proposed method was accurate, and the relative standard deviations of the measurements were lower than 5.25%. It can be used for the quality control of metal elements in Saffron.

Key words: ICP-AES/ICP-MS, Element analysis, Heavy metals, Saffron

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