ASTM D1203-1994(2003) 用活性碳法测定塑料的挥发损失的标准试验方法

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【英文标准名称】:StandardTestMethodsforVolatileLossFromPlasticsUsingActivatedCarbonMethods
【原文标准名称】:用活性碳法测定塑料的挥发损失的标准试验方法
【标准号】:ASTMD1203-1994(2003)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:D20.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;试验;活性碳
【英文主题词】:methanolextract;PVCresin
【摘要】:Thetestmethodsareintendedtoberapidempiricaltestswhichmaybeusefulintherelativecomparisonofmaterialshavingthesamenominalthickness.Note28212;Whentheplasticmaterialcontainsplasticizer,lossfromtheplasticisassumedtobeprimarilyplasticizer.Theeffectofmoistureisconsideredtobenegligible.Correlationwithultimateapplicationforvariousplasticmaterialsshouldbedeterminedbytheuser.Toobtainacceleratedteststhatmorenearlyapproachactualserviceconditions,referenceshouldbemadetoSpecificationE197.1.1Thesetestmethodscoverthedeterminationofvolatilelossfromaplasticmaterialunderdefinedconditionsoftimeandtemperature,usingactivatedcarbonastheimmersionmedium.1.2Twotestmethodsarecoveredasfollows:1.2.1TestMethodA,DirectContactwithActivatedCarbon8212;Inthistestmethodtheplasticmaterialisindirectcontactwiththecarbon.Thistestmethodisparticularlyusefulintherapidcomparisonofalargenumberofplasticspecimens.1.2.2TestMethodB,WireCage8212;Thistestmethodprescribestheuseofawirecage,whichpreventsdirectcontactbetweentheplasticmaterialandthecarbon.Byeliminatingthedirectcontact,themigrationofthevolatilecomponentstothesurroundingcarbonisminimizedandlossbyvolatilizationismorespecificallymeasured.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;Thisstandardissimilarincontent(nottechnicallyequivalent)toISO176-1976(E).
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:3P.;A4
【正文语种】: