【英文标准名称】:TestMethodforDeterminationofEffectofMoistHeat(50%RelativeHumidityand90DegreesC)onPropertiesofPaperandBoard
【原文标准名称】:测定湿热对纸和纸板特性的影响的试验方法(额定湿度为50%,温度为90℃)
【标准号】:ASTMD4714-1992
【标准状态】:作废
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;热学;包装件;纸板;包装;纸;潮气;试验;测定
【英文主题词】:board(paper);heat;determination;packaging;paper;testing;properties;packages;moisture
【摘要】:
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【页数】:4P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforSingleBatchExtractionMethodforWastes
【原文标准名称】:废弃物单批量抽取法的标准试验方法
【标准号】:ASTMD5233-1992(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1992
【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】:D34.01.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:batch;extraction;laboratory;leaching;single;sludge;solid;solidified;testing;waste;Batchprocedures;Extractionmethods;Laboratoryenvironmentalanalysis;Leachates/leaching;Municipalsolidwaste(MSW);Samplingwastematerials/applicat
【摘要】:Thistestmethodisintendedtogenerateanextractwithaconcentrationofthetargetanalyte(s)representativeoftheexpectedreleaseunderthescenariosimulated,andwhichcanbecomparedwithconcentrationlevelsacceptableinwastedisposal,treatment,orproductionactivities.Theextractionconditionsofthetestmethodwerechosentosimulateapotentialdisposalscenariotowhichthewastesmaybeexposed.Oneintentofthistestmethodisthattheamountofacidintheextractionfluidsreflecttheacidavailablefromtheleachateofaspecificlandfillwheremunicipalandindustrialwasteswereco-disposed.OneintentofthistestmethodistonotallowthepHoftheextractionfluidtobelowerthanthatoftheleachateofaspecificlandfillwheremunicipalandindustrialwasteswereco-disposed.Therefore,thepHoftheextractionfluidwaschosenwiththefollowingconsiderations:(1)Nottobelessthan4.93x00B1;0.05fortheextractionofwasteswithanacidneutralizationcapacityoflessthantheacidavailableinthetotalvolumeofextractionfluidusedinthemethod(ExtractionFluidNo.1).(2)At2.88x00B1;0.05,asdefinedbythepHoftheacid,fortheextractionofwasteswithanacidneutralizationcapacityofmorethantheacidavailableintheextractionfluidusedinthemethod(ExtractionFluidNo.2).Theinterpretationanduseoftheresultsofthistestmethodarelimitedbytheassumptionsofasingleco-disposalscenarioandbythefactorsaffectingthecompositionofalandfillleachateandchemicalorotherdifferencesbetweenaselectedextractionfluidandthereallandfillleachate.Thistestmethodmaybeaffectedbybiologicalchangesinthewaste,anditisnotdesignedtoisolateormeasuretheeffectofsuchprocesses.Thistestmethodproducesextractsthatareamenabletothedeterminationofbothminorandmajorconstituents.Whenminorconstituentsarebeingdetermined,itisespeciallyimportantthatprecautionsbetakeninsamplestorageandhandlingtoavoidpossiblecontaminationofthesamples.Theagitationtechnique,rate,liquid-to-solidratio,andfiltrationconditionsspecifiedinthemethodmaynotbesuitableforextractingalltypesofwastes.Thistestmethodisintendedtoextractthesamplesintheiroriginalphysicalstateasis,withoutanysizereduction.However,thesample/extractorinteractionisexpectedtocorrelatewiththeenvironmentalconditionstowhichawastemaybeexposed.Theextractionconditionsdefinedbythistestmethodareexpectedtoyieldsteady-stateconcentrations,determinedbytheextractionliquid-to-solidratioandthedurationoftheextraction,whichmayormaynotagreewiththeconcentrationofanequilibrium.1.1Thistestmethodisapplicabletotheextractionofsamplesoftreatedoruntreatedsolidwastesorsludges,orsolidifiedwastesamples,toprovideanindicationoftheleachingpotential.1.2Thistestmethodisintendedtoprovideanextractformeasurementoftheconcentrationoftheanalytesofconcern.Themeasuredvaluesmaybecomparedagainstsetorchosenacceptancelevelsinsomeapplications.1.3Ifthesoleapplicationofthetestmethodissuchapass/failcomparisonandatotalanalysisofthewastedemonstratesthatindividualanalytesarenotpresentinthewaste,orthatthechosenacceptanceconcentrationlevelscouldnotpossiblybeexceeded,thetestmethodneednotberun.1.4Ifthesoleapplicationofthetestmethodissuchapass/failcomparisonandananalysisofanyoneoftheliquidfractionsoftheextractindicatesthattheconcentrationofthetargetanalyteissohighthat,evenafteraccountingfor......
【中国标准分类号】:Z13
【国际标准分类号】:13_030_40
【页数】:9P.;A4
【正文语种】:英语