石墨炉原子吸收法测定萝卜中的硒.pdfVIP

ofAnhui 责任编辑李菲菲责任校对李菲菲 安徽农业科学，Journal Agi．Sci．2013。41(11)：5045—5047 石墨炉原子吸收法测定萝卜中的硒 铁梅，张莹，张朝红，惠秀娟，陈忠林，刘阳，李宝瑞 (辽宁大学环境学院，辽宁沈阳110036) 定最佳基改剂；通过优化灯电流、灰化温度和原子化温度等确定石墨炉原子吸收法测定硒的最佳方法，并测定萝卜中的硒。[结果]l ms／mlCu(NO，)，作为基体改进剂，灰化温度800℃，原子化温度2500℃为测定不同萝卜中硒的含量的适宜条件。在该条件下测定Se 卜申硒的分析测定。 关键词硒；石墨炉原子吸收；萝r 中图分类号s631．1；Q581文献标识码A 文章编号0517—6611(2013)11—05045—03 FurnaceAtomic fortheDeterminationofSeleniumin sativusL． Method Graphite Absorption Raphanus 1ⅡMeietal ofEnvironmental 110036) (College Science，LiaoningUniversity，Shenyang，Liaoning Abstract Determinationofseleniumin sativus FurnaceAtomic MethodCom— Objective RaphanusL．byGraphite AbsorptionSpectrometry．I FurnaceAtomic methodfordeterminationofseleniumin paredsingleion(Cu。Ni，Pd)andmixingion(Cu—Pd，Ni—ed)byGraphite Absorption of determinethe methodforthedeterminationselenium furnaceatomic action；To spectrometry improving optimal bygraphite absorption byopti— andatomization determinationofseleniumin sativus There— mizing山elampeurrent，ashingtemperature temperature，and RaphanusL．．『Result suitshowedthatl matrix andatomization in 500℃for condi— ms／mlCu(N01)，asmodifier，ashingtemperature temperature800℃．2 optimum of in ratewas tionsseleniamcontentRaphanussativusL．．Therecovery 99．6％一106．O％．relativestandarddeviationiS1．19％．thedetection limitis methodis toseleniumdeterminationin sativusL．． 0．79∥L．[Conclusion]Thissimple，sensitive，stable，accurate，applicableRaphanus words furnac