Comparative Study on Three Methods of Hair Digestion

Three different digestion methods were made to digest the same hair sample,and the contents of Fe,Zn and Ca were determined by FAAS.Comparing with the experimental results,it was found that three different digestion methods had little effect on the determination.Three methods of hair digestion pretreatment were analyzed and compared.The results show that non-complete digestion method should be the promoted sample digestion method.