EPA method550.1 PAHs in drinking water HPLC

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1、METHOD550.1DETERMINATIONOFPOLYCYCLICAROMATICHYDROCARBONSINDRINKINGWATERBYLIQUID-SOLIDEXTRACTIONANDHPLCWITHCOUPLEDULTRAVIOLETANDFLUORESCENCEDETECTIONJuly1990J.W.HodgesonW.J.Bashe(TechnologyApplicationsInc.)T.V.Baker(TechnologyApplicationsInc.)ENVIRONMENTALMONITORINGSYSTEMSLABORATORYOFFICEOFRESEAR

2、CHANDDEVELOPMENTU.S.ENVIRONMENTALPROTECTIONAGENCYCINCINNATI,OHIO45268550.1-1METHOD550.1DETERMINATIONOFPOLYCYCLICAROMATICHYDROCARBONSINDRINKINGWATERBYLIQUID-SOLIDEXTRACTIONANDHPLCWITHCOUPLEDULTRAVIOLETANDFLUORESCENCEDETECTION1.0SCOPEANDAPPLICATION1.1Thismethoddescribesaprocedurefordeterminationof

3、certainpolycyclicaromatichydrocarbons(PAH)indrinkingwatersourcesandfinisheddrinkingwater.Thefollowinganalytescanbedeterminedbythismethod:ChemicalAbstractServicesAnalyteRegistryNumberAcenaphthene83-32-9Acenaphthylene208-96-8Anthracene120-12-7Benzo(a)anthracene56-55-3Benzo(a)pyrene50-32-8Benzo(b)f

4、luoranthene205-99-2Benzo(g,h,i)perylene191-24-2Benzo(k)fluoranthene207-08-9Chrysene218-01-9Dibenzo(a,h)anthracene53-70-3Fluoranthene206-44-0Fluorene86-73-7Indeno(1,2,3-cd)pyrene193-39-5Naphthalene91-20-3Phenanthrene85-01-8Pyrene129-00-01.2Thisisahighperformanceliquidchromatography(HPLC)methodapp

5、licabletothedeterminationofthecompoundslistedabove.Whenthismethodisusedtoanalyzeunfamiliarsamples,compoundidentificationsshouldbesupportedbyatleastonequalitativetechnique.Method525providesgaschromatographic/massspectrometer(GC/MS)conditionsappropriateforthequalitativeandquantitativeconfirmationo

6、fresultsfortheaboveanalytes,usingtheextractproducedbythismethod.NOTE:ToutilizeMethod525,thestandardsmustbeinacetonitrilealso.11.3Themethoddetectionlimit(MDL,definedinSection13.0)foreachanalyteislistedinTable1.TheMDLforaspecificmatrixmaydifferfromthoselisted,dependingonthenatureofinterferencesint

7、hesamplematrix.2.0SUMMARYOFMETHOD2.1Polycyclicaromatichydrocarbonsandinternalstandards,ifused,areextractedfromawatersamplebypassing1Lofsamplethroughacartridgecontainingabout1gofasolidinorganicmatrixcoatedwithachemicallybonde