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.