FOOD SCIENCE ›› 2013, Vol. 34 ›› Issue (22): 257-260.doi: 10.7506/spkx1002-6630-201322051

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Application of Inductively Coupled Plasma Mass Spectrometry (ICP-MS) for Determination of 28 Trace Elements in Chinese Liquor

ZHANG Jian,TIAN Zhi-qiang,LU Yuan-yu,CHEN Xing-lin,SUN Zong-qi   

  1. China National Center for Alcoholic Beverage and Soft Drink Quality Supervision and Inspection,Institution of Supervision and Inspection Product Quality of Guizhou Province, Guiyang 550004, China
  • Received:2013-01-22 Revised:2013-10-29 Online:2013-11-25 Published:2013-12-05

Abstract:

This paper describes a simple method for the determination of 28 micro-elements including Ag, Cd, Cs, Ba, Li, Be,
Na, Mg, Al, K, Ca, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, As, Se, Tl, Pb, Bi, U, Rb, and Sr in Chinese liquor by using inductively
coupled plasma mass spectrometry (ICP-MS). For digestion of samples, 10 mL of a mixture of HNO3 with HClO4 (4:1, V/V) was
used. The results revealed that the method had some advantages, such as simple sample pretreatment, fast analysis, low detection
limit, high precision and accuracy, and wide linear dynamic range (0–300 μg/L for 21 of these micro-elements, 0–30 μg/L for the
rest). The recovery rates for all the micro-elements were between 85.19% and 104.01% with RSD less than 4.7%. This method can
completely meet the requirements for determination of the 28 micro-elements in Chinese liquor.

Key words: inductively coupled plasma mass spectrometry (ICP-MS), Chinese liquor, plasticizer, stainless steel products, 28 elements

CLC Number: