ASTM D5765-2005 用封闭式容器微波加热法从土壤和沉积物中溶剂萃取全部石油烃类的标准实施规程
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【英文标准名称】:StandardPracticeforSolventExtractionofTotalPetroleumHydrocarbonsfromSoilsandSedimentsUsingClosedVesselMicrowaveHeating
【原文标准名称】:用封闭式容器微波加热法从土壤和沉积物中溶剂萃取全部石油烃类的标准实施规程
【标准号】:ASTMD5765-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D19.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:规程;溶剂萃取方法;实施规程;加热试验;沉积物;烃类;土壤普查;土壤;微波灶
【英文主题词】:extraction;microwave;solvent;totalpetroleumhydrocarbon(TPH);vessel
【摘要】:Solventextractionofsoilsandsedimentscanprovideinformationontheavailabilityofpetroleumhydrocarbonstoleaching,waterqualitychanges,orothersiteconditions.Rapidheating,incombinationwithtemperaturesinexcessoftheatmosphericboilingpointofacetone/hexane,reducessamplepreparationorextractiontimes.Reducedamountsofsolventsarerequiredandsolventlossduetoboilingandevaporationareeliminatedbyuseofclosedextractionvessels.1.1Thispracticecoversthesolventextractionoftotalpetroleumhydrocarbon(TPH)fromsoilsandsediments,usingclosedvesselmicrowaveheating,forsubsequentdeterminationbygravimetricorgaschromatographictechniques.1.2Thispracticeisrecommendedonlyforsolidsamplesthatcanpassthroughatenmeshscreen(approximately2-mmopenings).1.3Thesolventextractobtainedbythispracticemaybeanalyzedfortotalorspecificnonvolatileandsemivolatilepetroleumhydrocarbonsbutmayrequiresampleclean-upprocedurespriortospecificcompoundanalysis.1.4Thispracticeislimitedtosolventsthatarerecommendedforuseinmicrowavesolventextractionsystems.1.5Thevaluesstatedinpoundspersquareinch(psi)aretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection8.
【中国标准分类号】:E04
【国际标准分类号】:13_080_10
【页数】:3P.;A4
【正文语种】:
【原文标准名称】:用封闭式容器微波加热法从土壤和沉积物中溶剂萃取全部石油烃类的标准实施规程
【标准号】:ASTMD5765-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D19.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:规程;溶剂萃取方法;实施规程;加热试验;沉积物;烃类;土壤普查;土壤;微波灶
【英文主题词】:extraction;microwave;solvent;totalpetroleumhydrocarbon(TPH);vessel
【摘要】:Solventextractionofsoilsandsedimentscanprovideinformationontheavailabilityofpetroleumhydrocarbonstoleaching,waterqualitychanges,orothersiteconditions.Rapidheating,incombinationwithtemperaturesinexcessoftheatmosphericboilingpointofacetone/hexane,reducessamplepreparationorextractiontimes.Reducedamountsofsolventsarerequiredandsolventlossduetoboilingandevaporationareeliminatedbyuseofclosedextractionvessels.1.1Thispracticecoversthesolventextractionoftotalpetroleumhydrocarbon(TPH)fromsoilsandsediments,usingclosedvesselmicrowaveheating,forsubsequentdeterminationbygravimetricorgaschromatographictechniques.1.2Thispracticeisrecommendedonlyforsolidsamplesthatcanpassthroughatenmeshscreen(approximately2-mmopenings).1.3Thesolventextractobtainedbythispracticemaybeanalyzedfortotalorspecificnonvolatileandsemivolatilepetroleumhydrocarbonsbutmayrequiresampleclean-upprocedurespriortospecificcompoundanalysis.1.4Thispracticeislimitedtosolventsthatarerecommendedforuseinmicrowavesolventextractionsystems.1.5Thevaluesstatedinpoundspersquareinch(psi)aretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection8.
【中国标准分类号】:E04
【国际标准分类号】:13_080_10
【页数】:3P.;A4
【正文语种】:
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