摘要:通过单因素实验和正交试验,优化了微波辅助酸消解提取重金属的前处理方法,并利用GFAAS、ICP-MS、ICP-AES分析技术测定黄芪中重金属镉的含量.结果表明:温度为150℃、功率为900W、压力为13atm下消解黄芪样品5min后,使用ICP-MS测定黄芪中重金属镉的含量RSD最小,分析时间最短,回收率更高.
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