【摘要】 使用微波溶样法，将样品用HNO3-H2O2溶解后，以铁氰化钾作为掩蔽剂，采用断续流动进样氢化物原子荧光测定人参粉中微量硒。硒的回收率为90.5%～98.8%，RSD为3.2%～6.3%。

    【关键词】 微波消解；原子荧光；硒；人参粉

    AFS determination of micromounts of selenium in gensen powder by microwave digestion

    CHEN Ming-yan，XU Li-ming，MA Shu-min，et al.

    Jilin Entry-Exit Inspection and Quarantine Bureau ，Changchun 130062，China

    【Abstract】 Gensen powder were dissolved with HNO3-H2O2 by microwave， Iron potassium cyanide was used as screening agent，then determined by AFS. Recoveries of Se in the ranges of 90.5%～98.8%. RSD for selenium was found to be in the ranges of 3.2%～6.3%.

    【Key words】 digestion by microwave；AFS；selenium；gensen powder

    硒是人体必需的微量元素之一 ......