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【英文标准名称】:StandardTestMethodforConstant-TemperatureStabilityOfChemicalMaterials
【原文标准名称】:化学材料的恒温稳定性的标准试验方法
【标准号】:ASTME487-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E27.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:constanttemperaturestability(CTS);differentialscanningcalorimetry(DSC);differentialthermalanalysis(DTA);hazardpotential;reactions,thermal;thermalanalysis;thermalhazard;thermalstability;Chemicals(fire/flammabilitytesting);Constant-
【摘要】:Thistestmethodisausefuladjuncttodynamicthermalteststhatareperformedunderconditionsinwhichthesampletemperatureisincreasedcontinuouslyataprogrammedrate.Resultsobtainedunderdynamictestconditionspresentdifficultiesindeterminingthetemperatureatwhichanexotherminitiatesbecauseonsettemperatureisdependentonheatingrate.Thetestmethoddescribedinthepresentstandardattemptstodeterminetheonsettemperatureunderisothermalconditionswheretheheatingrateiszero.1.1Thistestmethoddescribestheassessmentofconstant-temperaturestabilityofchemicalmaterialsthatundergoexothermicreactions.Thetechniquesandapparatusdescribedmaybeusedonsolids,liquids,orslurriesofchemicalsubstances.1.2Whenaseriesofmaterialsistestedbythistestmethod,theresultspermitorderingthematerialsrelativetoeachotherwithrespecttotheirthermalstability.1.3LimitationsofTest:1.3.1Thistestmethodislimitedtoambienttemperaturesandabove.1.3.2Thistestmethoddeterminesneitherasafestoragetemperaturenorasafeprocessingtemperature.Note18212;Asafestorageorprocessingtemperaturerequiresthatanyheatproducedbyareactionberemovedasfastasgeneratedandthatproperconsiderationbegiventohazardsassociatedwithreactionproducts.1.3.3Whenthistestmethodisusedtoordertherelativethermalstabilityofmaterials,thetestsmustberununderthesameconfinementcondition(see8.3).1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandardshouldbeusedtomeasureanddescribethepropertiesofmaterials,products,orassembliesinresponsetoheatandflameundercontrolledlaboratoryconditionsandshouldnotbeusedtodescribeorappraisethefirehazardorfireriskofmaterials,products,orassembliesunderactualfireconditions.However,resultsofthistestmaybeusedaselementsofafireriskassessmentwhichtakesintoaccountallofthefactorswhicharepertinenttoanassessmentofthefirehazardofaparticularenduse.1.6Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:07_030
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:TestMethodsforChemicalAnalysisofChromatedCopperArsenate
【原文标准名称】:铬酸铜砒酸盐化学分析试验方法
【标准号】:ANSI/ASTMD1628-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994
【实施或试行日期】:2000
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:木材防腐;化学分析和试验;木材;试验
【英文主题词】:chemicalanalysisandtesting;testing;wood;woodpreservation
【摘要】:Thesetestmethodscoverthechemicalanalysisofsolidchromatedcopperarsenateandsolutionsofthismaterial.TestMethodD38coversthesamplingofwoodpreservativespriortotesting.Theanalyticalproceduresoccurinthefollowingorder:SectionsPentavalentarsenic(calculatedasAs2O5)7to9Copper(calculatedasCuO)10to13Hexavalentchromium(calculatedasCrO3)14to16Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin8.2,12.1.2,andinaccordancewiththesafetyprecautionssectionofTestMethodD4278.
【中国标准分类号】:G12
【国际标准分类号】:71_060_50
【页数】:
【正文语种】:英语