高效液相色譜_串聯(lián)質(zhì)譜法測(cè)定蔬菜和水果中氟嗎啉的殘留量_圖文

1、 第2 期 14 15 16 王巖松等： 高效液相色譜串聯(lián)質(zhì)譜法測(cè)定蔬菜和水果中氟嗎啉的殘留量 291 Tian H Z Chemosphere， 2011 ， 83 （ 3 ） ： 349 355 Sannino A，Bolzoni L，Bandini M J Chromatogr A， 2004 ， 1036 （ 2 ） ： 161 169 Zamora T，Pozo O J，López F J，Hernández F J Chromatogr A， 2004 ， 1045 （ 12 ） ： 137 143 Determination of Flumorph Resid

2、ues in Vegetables and Fruits by High Performance Liquid ChromatographyTandem Mass Spectrometry 2 WANG YanSong * 1， ，YANG ChunHui2 ，ZAHNG ChunYe2 ，ZHANG FengQing2 ， HE MingRui2 ，CUI XiangYong2 ，MA Ji2 ，LI HuaFeng2 1 2 （ College of Sciences，Northeastern University，Shenyang 110004 ） （ Shenyang Supervis

3、ion and Inspection Institute for Product Quality，Shenyang 110022 ） Abstract A method was developed for the determination of flumorph residues in vegetables and fruits using dimoxystrobin as internal standard （ IS） by high performance liquid chromatographytandem mass spectrometry （ LCMS / MS） The con

4、version rule between flumorph（ Z） and flumorph（ E ） has been studied by sunlight test of flumorph Flumorph and IS were extracted with ethyl acetate，then purified and concentrated by Oasis HLB cartridge Qualitative and quantitative detection for the analytes were carried out under the multiple reacti

5、on monitoring （ MRM） in positive ion mode after the chromatographic separation on Symmetry C18 （ 150 mm×2 1 mm i d ， 3 5 m ） column Studies at fortification level of 0 0525 g / kg gave mean recoveries from 77 6% 92 8% for flumorph，with relative standard deviation （ R S D ） 8 6% The limit of qua

6、ntification （ LOQ，S / N = 10 ） was 0 05 g / kg The proposed method was successfully applied to real samples from different kinds of vegetables and fruits Flumorph residues were detected in 70% of the samples analyzed and the highest concentration level was 1 83 g / kg in tomato sample Keywords Liqui

7、d chromatographytandem mass spectrometry； Conversion； Flumorph； Vegetables； Fruits （ Received 10 May 2011 ； accepted 6 September 2011 ） 櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫櫫 工業(yè)用水及污水水質(zhì)分析 （ ISBN 9787122081308） 該書在介紹工業(yè)鍋爐用水 、 循環(huán)冷卻用水及污水水質(zhì)分析方法的同時(shí)， 對(duì)操作過程中可能遇到的各種問題提出了具 “注意事項(xiàng)” “注意事項(xiàng)” 體的解決辦法， 并匯入到各方法的 中。對(duì)共性問題， 在書后附 索引， 以方便查找。 各分析方法中 對(duì)試劑配制都作了詳細(xì)描