ASTM D6520-2006 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

作者:标准资料网 时间:2024-05-07 21:11:27  浏览:8548   来源:标准资料网

【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.