An ICP-MS internal calibration method for the determination of five kinds of heavy metals in Jiangxiang Bajiu(liquor) had been de-veloped. The feasibility and the accuracy of such method were investigated in this study. Quantitative analysis of five heavy metals (Cu, Pb, Cd, As and Hg) was performed with THERMO X7 mass spectrograph after pre-treatment of liquor samples (Jiangxiang Bajiu(liquor) provided by Guotai Liquor Co.Ltd.) by rotary evaporator. The minimum detection limits (Cu 0.03 μg/L, Pb 0.01 μg/L, As 0.04 μg/L, Cd 0.02 μg/L, Hg 0.01 μg/L) were determined after recovery test and precision test. This method had the advantages of high efficiency and convenience. Its preci-sion and accuracy could meet the analytic requirements and it could be used in quality control of Jiangxiang Baijiu(liquor).
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)heavy metalsanalytical chemistryBaijiu(liquor)
NETL
NSTL
维普
万方数据
