青島市蔬菜生產(chǎn)基地農(nóng)藥殘留源頭污染及降解動(dòng)態(tài)研究.pdf

1、中國海洋大學(xué)碩士學(xué)位論文青島市蔬菜生產(chǎn)基地農(nóng)藥殘留源頭污染及降解動(dòng)態(tài)研究姓名：王文嬌申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：食品工程指導(dǎo)教師：汪東風(fēng)2011075ResearchonthesourceofpesticidepollutioninQingdaovegetableproductionbasesdegradationdynamicsAbstractAbstractOnehundredelevensoilsampleswerecollected

2、fromdifferentsitesofvegetableproductionbasesinQingdaotheresiduesofBHCDDTwerestudiedinSoil.Combinedwithsoilsampling36vegetablesamplesfromwherethesoilcollected15kindsofpesticideresidueswereanalyzedusingGC.Basedonthepestici

3、deresidueofsoilagriculturalproductsfromQingdaomainvegetableproductionbaseweknowthebasicstatusoftheapplicationofpesticidesbymeansofinvestigation.ItindicatedthatresidualcontentsofBHCDDTinsoilaregenerallowerthanStateStard(G

4、B156181995).57pesticideresiduesintestvegetableproductsarefarbelowthestatestardsofmaximumresiduelimitsfpesticidesinfood(GB27632005).Thedegradationdynamicsofpesticidesresiduefinalresidueintomatowereinvestigatedbyplasticgre

5、enhousecultivationsuchasthoseofbifenthrincypermethrinfenvaleratechlothalonildimethoatemalathion.Theresultsshowedthatdifferentkindsofpesticideresiduesintomatoareobviousdifference.Therearefewerganochlinepyrethroidpesticide

6、sresiduesintomato.FourkindsofpesticideshavereachedthestardsofChinalessthan5dbyitsrecommendeddosedoubledose.Accdingtothedoubledosethehalflifeofchlothalonilisabout7.70dwhichisthelongestinthepesticidesabove.Twokindsofganoph

7、osphuspesticidesintherecommendeddosagethedoubledosagethehalflifeofdimethoatewere5.22d5.89dmalathionwere3.79d4.54drespectively.Therefeweshouldscientificusepesticidesfullyconsiderthehalflifeofpesticidetoensurethesafetyofto