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ICP-AES法测定淀粉中的铅、汞、镉、砷
DETERMINATION OF Pb、Hg、Cd、As IN STARCH BY ICP-AES
【摘要】 建立了ICP-AES法测定淀粉中铅、汞、镉、砷的方法。用HNO3、HClO4处理样品,然后用ICP-AES法进行测定。加标回收率为98.2%~104.3%,测定结果的相对标准偏差均小于5%(n=5)。
【Abstract】 A method for determination of Pb、Hg、Cd 、As in starch by ICP-AES was developed. The starch sample was digested with HNO3 and HClO4 and determined by ICP-AES. The recoveries were 98.2%104.3%, the relative standard deviations were less than 5%(n=5).
- 【文献出处】 化学分析计量 ,Chemical Analysis and Meterage , 编辑部邮箱 ,2005年04期
- 【分类号】TS237
- 【被引频次】12
- 【下载频次】197