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用电感耦合等离子体质谱(ICP-MS)法测定亚热带水果中Pb,Cd,As,H譬元素的含量,对实验条件进行优化,样品用微波消解法进行预处理,用Bi,In,Ge作内标校正基体干扰和漂移。Pb,cd。As的线性范围为0.0~20.0ng/mL,Hg的线性范围为0.0~2.0ng/mL,线性相关系数均为O.9999。Pb,Cd,As,Hg元素的检出限分别为0.027,0.008,0.011,0.051ng/mL,测定结果的相对标准偏差(n=6)在3.63%~5.72%之间,加标回收率为90.2%~102.0%。用