凝膠滲透色譜-氣相色譜-質(zhì)譜技術(shù)在農(nóng)藥多殘留分析中的應(yīng)用.pdf

1、山東農(nóng)業(yè)大學(xué)碩士學(xué)位論文凝膠滲透色譜氣相色譜質(zhì)譜技術(shù)在農(nóng)藥多殘留分析中的應(yīng)用姓名：鄭鋒申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：食品科學(xué)指導(dǎo)教師：陳偉王明林20090615凝膠滲透色譜一氣相色譜／質(zhì)譜技術(shù)在農(nóng)藥多殘留分析中的應(yīng)用AbstractWiththerisingofpeoples’livingstandards，thequestionoffoodsafetyhasattractedmoreandmoreattentionDuetolargesca

2、leuseofpesticidespesticideresiduesinfoodandenvironmenthasatmactedextensiveattention，whichalsobecamethetechnicaltradebarriersinChinasmerchandiseexportsAccordingtothekindsofpesticidesusedandthelimitsforpesticideresiduesinf

3、ugueel，prawnsamples，thispaperstudiedexlractionpurificationofsamplepretreatmentsandGCMSdetectionconditionsofpesticideresiduesandalsodevelopedanewanalydcalproceduretodetermine191multiplepesticideresiduesin咄eel，prawnandothe

4、rfishesillwaterThedetailsaleasfollows：1Buildingthesimple，effectivesamplepretreatmentsUsingtheethylacetatecyclohexane(1：1，V：v)extractingresidualpesticidesinsamples，andusillgthesanlesolventasme鰣permeationchromatographymobi

5、lephasecanremovemacromoleculeimpuritiessuchasproteins，Upidsinsampleefficientlythenextractingandconcentratingtheresidualpesticidesinsamplesonline，meanwhileinvestigatingthe173pesticides’耐permeationchromatographyactionparam

6、eters2InthisweestablishedtheGCMSdetectionmethod緬191pesticidesLinearregressioninthecorrespondingconcentrationrsngewasalloverO97ThelimitsofdetectionandthelimitsofquantificationwereO00203mg／kg，O00712m眺grespectively。3Wretook

7、theprecisionandaccuracymethodologytestandgotsatisfiedconclusionTherecoveryWasconductedattwospikedlevelswhichistheLOQconcentrationand4timesofLOQconcentrationthevalidationresultswereasfollows：theoverallrecoverieswerefrom50