农药残留测定用新型混合型固相萃取小柱的开发.pdfVIP

20 11 1 2 1 1 C h inese Jou rnal of H ea lth L aboratory T echnology, Jan 20 11; V ol 2 1 N o 1 7 农药残留测定用新型混合型固相萃取小柱的开发 * 苗水, 王柯 , 陆继伟, 李雯婷, 于建 ( , 201203) [ ] : , , : , , 92 , , , : 92 , : , , [ ] 农产品; 农药残留; 新型混合型固相萃取小柱 [ ] X 592 [] A [ ] 1004 - 8685 ( 20 11) 01- 0007 - 06 The innovation of new mixture type of SPE columns for the determination of pesticide residues inproduces SH UI M iao, KE Wang* , L U J i- w e i, LI Wen - ting, YU J ian ( D ep artm ent o f T rad itiona l Ch inese M ed ic ine, Shangh a i In stitute fo r Food and D rug Contro l, Shangh a i 20 120 3, Ch ina) [Abstract] Objective:To develop a new SPE column fo r p esticide residue tests W ith th is new SPE co lumn, higher test pro fi ciency and reduced sam ple prep ara tion tmi e can be obtained ethods: Seve ra l typ es o f SPE co lumn s w ere m ade from several p ack ing m a teria ls comm on in u se a t d ifferent ratios And then the ir p erform ances w ere eva lu ated by c lean - up resu lts o f the dirty sp inach sam ples and recoveries o f 92 p esticides Results: O ne type o f the SPE column s w as selected as our f ina l cho ice and fur ther eva lu ation re lated to recover ies o f 92 pesticdes w e re condu cted The fina l SPE co lum n gave good recove ries fo r 92 p estic ides w ith aceton itrile as the on ly e lu ent and sa tisfactory c lean- up resu lts w ere obta ined in the m eantmi e Conclusion:The fina l SPE co lumn s s mi p lif ies the samp le prep aration of p estic ide res idu e tests and show s satisfactory c lean ing - up exce llence, w h ich could mi prove the pro f ic iency of p estic ide res idu e de tection for the pr