【英文标准名称】:StandardPracticeforSeparationandConcentrationofIgnitableLiquidResiduesfromFireDebrisSamplesbySolventExtraction
【原文标准名称】:用溶剂萃取法分离和浓缩从火烧瓦砾样品中获取的可燃液体残渣的标准实施规程
【标准号】:ASTME1386-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:E30.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:溶剂;分析方法
【英文主题词】:firedebris;samples;solventextraction
【摘要】:Thispracticeisusefulforpreparingextractsfromfiredebrisforlateranalysisbygaschromatography,GC/MS,orGC/IR.Thisisaverysensitiveseparationprocedure,capableofisolatingquantitiessmallerthan1x03BC;Lofignitableliquidresiduefromasample.Thispracticeisparticularlyusefulwhenthepotentialforfractionationduringseparationmustbereduced,aswhenattemptingtodistinguishbetweenvariousgradesoffueloil.Thispracticeisparticularlyusefulfortheextractionofnonporoussurfacessuchasglass,ortheinteriorofburnedcontainers.Itisalsoparticularlywellsuitedtotheextractionofmaterialsfromverysmallsamples.Thispracticecanbehamperedbycoincidentextractionofinterferingcompoundspresentinthefiredebrissamples.ThispracticemaynotbeusefulfortheextractionofsomeClass0andClass1ignitableliquids,whichmayevaporateduringtheconcentrationstep.Thisisadestructivetechnique.Wheneverpossible,thistechniqueshouldonlybeusedwhenarepresentativeportionofthesamplecanbereservedforreanalysis.Thoseportionsofthesamplesubjectedtothisproceduremaynotbesuitableforresampling.ConsiderusingpassiveheadspaceconcentrationasdescribedinPracticeE1412.1.1Thispracticecoverstheprocedureforremovingsmallquantitiesofflammableorcombustibleliquidresiduefromsamplesoffiredebrisusingsolventtoextracttheresidue.1.2Thispracticeissuitableforsuccessfullyextractingflammableorcombustibleliquidresiduesovertheentirerangeofconcentrations.1.3AlternateseparationandconcentrationproceduresarelistedinTestMethodE1387.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,seeNote1.
【中国标准分类号】:A43
【国际标准分类号】:71_040_40
【页数】:2P.;A4
【正文语种】: