The contents of As,Cd,Hg and Pb in 27 Chinese medicinal herbs were determined by ICP-MS with microwave assisted digestion.Cluster analysis was applied to study the distribution characteristics of As,Cd,Hg and Pb in di...
A method was proposed to determine As,Pb,Cd,and Hg in ten kinds of Chinese medicinal herbs by ICP-MS.The proposed method was quick,efficient and accurate.