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【英文标准名称】:StandardPracticefortheSolidPhaseMicroExtraction(SPME)ofWateranditsHeadspacefortheAnalysisofVolatileandSemi-VolatileOrganicCompounds
【原文标准名称】:挥发和半挥发性有机复合物分析用水及其液面上的固相微萃取的标准实施规程
【标准号】:ASTMD6520-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:萃取;有机的;有机化合物;样本制备;固体;挥发性的;挥发性有机化合物;水;水域
【英文主题词】:extraction;samplepreparation;semivolatile;solidphasemicroextraction(SPME);water;volatile
【摘要】:Thispracticeprovidesageneralprocedureforthesolid-phasemicroextractionofvolatileandsemi-volatileorganiccompoundsfromanaqueousmatrixoritsheadspace.Solidsorbentextractionisusedastheinitialstepintheextractionoforganicconstituentsforthepurposeofquantifyingorscreeningforextractableorganiccompounds.TypicaldetectionlimitsthatcanbeachievedusingSPMEtechniqueswithgaschromatographywithflameionizationdetector(FID),electroncapturedetector(ECD),orwithamassspectrometer(MS)rangefrommg/Ltox03BC;g/L.Thedetectionlimit,linearconcentrationrange,andsensitivityofthetestmethodforaspecificorganiccompoundwilldependupontheaqueousmatrix,thefiberphase,thesampletemperature,samplevolume,samplemixing,andthedeterminativetechniqueemployed.SPMEhastheadvantagesofspeed,nodesorptionsolvent,simpleextractiondevice,andtheuseofsmallamountsofsample.5.3.1ExtractiondevicesvaryfromamanualSPMEfiberholdertoautomatedcommercialdevicespecificallydesignedforSPME.5.3.2Listedbelowareexamplesoforganiccompoundsthatcanbedeterminedbythispractice.Thislistincludesbothhighandlowboilingcompounds.Thenumbersinparenthesesrefertoreferencesattheendofthisstandard.