EPA Method 507 Determination of Nitrogen-

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1、METHOD507DETERMINATIONOFNITROGEN-ANDPHOSPHORUS-CONTAININGPESTICIDESINWATERBYGASCHROMATOGRAPHYWITHANITROGEN-PHOSPHORUSDETECTORRevision2.1EditedbyJ.W.Munch(1995)T.Engel(BattelleColumbusLaboratories)andD.Munch(U.S.EPA,OfficeofWater),NationalPesticideSurveyMethod1,Revision1.0(1987)R.L.Graves-Method507,

2、Revision2.0(1989)NATIONALEXPOSURERESEARCHLABORATORYOFFICEOFRESEARCHANDDEVELOPMENTU.S.ENVIRONMENTALPROTECTIONAGENCYCINCINNATI,OHIO45268507-1METHOD507DETERMINATIONOFNITROGEN-ANDPHOSPHORUS-CONTAININGPESTICIDESINWATERBYGASCHROMATOGRAPHYWITHANITROGEN-PHOSPHORUSDETECTOR1.0SCOPEANDAPPLICATION1.1Thisisagas

3、chromatographic(GC)methodapplicabletothedeterminationofcertainnitrogen-andphosphorus-containingpesticidesingroundwaterandfinisheddrinkingwater.Thefollowingcompoundscanbedeterminedusingthismethod:ChemicalAbstractServicesAnalyteRegistryNumberAlachlor15972-60-8Ametryn834-12-8Atraton1610-17-9Atrazine19

4、12-24-9Bromacil314-40-9Butachlor23184-66-9Butylate2008-41-5Carboxin5234-68-5Chlorpropham101-21-3Cycloate1134-23-2aDiazinon*333-41-5Dichlorvos62-73-7Diphenamid957-51-7Disulfoton*298-04-4DisulfotonSulfone*2497-06-5aDisulfotonSulfoxide*2497-07-6EPTC759-94-4Ethoprop13194-48-4Fenamiphos22224-92-6Fenarim

5、ol60168-88-9Fluridone59756-60-4Hexazinone51235-04-2Merphos*150-50-5MethylParaoxon950-35-6Metolachlor51218-45-2Metribuzin21087-64-9Mevinphos7786-34-7MGK264113-48-4Molinate2212-67-1Napropamide15299-99-7507-2ChemicalAbstractServicesAnalyteRegistryNumberNorflurazon27314-13-2Pebulate1114-71-2Prometon161

6、0-18-0Prometryn7287-19-6aPronamide*23950-58-5Propazine139-40-2Simazine122-34-9Simetryn1014-70-6Stirofos22248-79-9Tebuthiuron30414-18-1Terbacil5902-51-2aTerbufos*13071-79-9Terbutryn886-50-0Triademefon43121-43-3Tricyclazole41814-78-2Vernolate1929-77-7aCompoundexhibitsaqueousinstability.Samplesforwhic

7、hthiscompoundisananalyteofinterestmustbeextractedimmediately(Sections11.1through11.3).*Thesecompoundsareonlyqualitativelyidentified.Thesecompoundsarenotquantitatedbecausecontroloverprecisionhasnotbeenaccomp