Study on the Method of Using ICP-MS to Determine Se in the Edible Fungi
TIE Mei1, 2,ZANG Shu-liang1, 2*,ZHANG Wei2,LI Jing2,SUN Tie-biao2,LI Hua-wei3
1. Department of Chemistry，East China Normal University, Shanghai 200062，China 2. Environmental Science Department of Liaoning University, Shenyang 110036, China 3. College of Environmental and Life Sciences, Shenyang Normal University, Shenyang 110034, China
Abstract：The sample was digested by the quartzose digestion pot at high-pressure under relatively low temperature, reducing the loss of Se during the digestion process. Study on the method of using ICP-MS to determine Se in the edible fungi shows that it exhibits positive correlation between the concentration of sample and integration time, and the response value. When the concentration of Se in the sample is higher than 50 μg·L-1,the integration time can be 0.1 s; or it can be 2.0 s when the concentration of Se is lower than 5 μg·L-1. The standard curve was accomplished for 1.0-500 μg·L-1 when determining the content of Se in the edible fungi. The recoveries are in the range of 99.96% -102.7%. This method has advantages of simplicity, speediness, delicacy, high stability, high accuracy, etc. It is suitable for the determination of trace Se in the edible fungi.
铁 梅1，2,臧树良1，2*,张 崴2,李 晶2,孙铁彪2,李华为3 . ICP-MS测定食用菌中硒的方法研究[J]. 光谱学与光谱分析, 2006, 26(03): 551-553.
TIE Mei1, 2,ZANG Shu-liang1, 2*,ZHANG Wei2,LI Jing2,SUN Tie-biao2,LI Hua-wei3 . Study on the Method of Using ICP-MS to Determine Se in the Edible Fungi. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(03): 551-553.
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