特征离子定性和定量方法在农药残留分析中的应用.pdfVIP

!#$%()*+,-./012 ! ! !#$== !#$%!== !#$==PMMOOO !#$% !#$%()*(+,-./0123 ! !#$%()*+ !#$%()*+,-./ !#$%() ! ! ! ! ! !O657.7 1 ! ! Application of the qualitative and quantitative methods with characteristic ions in analy sing of pesticide residues SHI Shi-xue YANG Zhi-yan CAO Xiao-hong School of food science and bioengineering The Center of analysis Measurement Tianjin University of Science Technology Tianjin 300222 China Abstract: The qualitative and quantitative analysis methods with characteristic ions in analysing of pesticide residues in vegetables and fruits were studied. The results show that the double qualitative analysis with retention time and characteristic ions and quantitative analysis with characteristic ions have more high accuracy and precision than the single qualitative analysis with retention time and quantitative analysis with peak area. Key words: pesticide residues characteristic ions qualitative analysis quantitative analysis 1 1 !#$%()*+,-./# !#$%#( !#$ 2 3 !#$ !#$%()*+,-./0123456789:;6=% !#$%( !#$%()*+,-. !#$%()*+,-. !#$% !#$%()*+ !#$%()*+ !#$ !#$ !#$%()* !#$ %()*+,-./0 !#$%(%)*+,-(./012 !#$%()* !#$%(%)*+,-./012#$%3456789 !#$%!( !#$%#$()*+ 2 ! OKN== !#$% GCMS-QP2010 !#!$% ShimadzuDB-1 !EI ! ! !#$ !#$ ! ! !# ! !#$ ! ! !#$% ! !#$% 150 !#$% OKO== ! ! ! !# ! ! ! ! ! 1412 ! ! !# ! ! ! ! ! !# ! ! ! 24 !#$% !#$%()*+,- OKP== ! !280 !#$% !24/1 !280 DB-130m 0.25mm(ID) 0.25µm !#$% !He 99.999 !#$ 100kPa ! 3mL/min EI 200 !#70V !60µA !2min !#1.0kV Absolute !80(1min)