ASTM D6869-2003 用卡尔.费歇尔反应(碘水反应)进行塑料中水分的库仑定量法及容量测定的标准试验方法

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【英文标准名称】:StandardTestMethodforCoulometricandVolumetricDeterminationofMoistureinPlasticsUsingtheKarlFischerReaction(theReactionofIodinewithWater)
【原文标准名称】:用卡尔.费歇尔反应(碘水反应)进行塑料中水分的库仑定量法及容量测定的标准试验方法
【标准号】:ASTMD6869-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:moisturecontent;moisturedetermination;plastics
【摘要】:Moisturewillaffecttheprocessabilityofsomeplastics.Highmoisturecontentcausessurfaceimperfections(thatis,splayorbubbling)ordegradationbyhydrolysis.Lowmoisture(withhightemperature)causespolymerization.Thephysicalpropertiesofsomeplasticsareaffectedbythemoisturecontent.1.1ThismethodusesthereactionofIodine(I2)withwater(KarlFischerReaction)todeterminetheamountofmoistureinapolymersample.1.2Thistestmethodisintendedtobeusedforthedeterminationofmoistureinmostplastics.PlasticscontainingvolatilecomponentssuchasresidualmonomersandplasticizersarecapableofreleasingcomponentsthatwillinterferewiththeI2/waterreaction.1.3Thismethodissuitableformeasuringmoistureovertherangeof0.005to100%.Samplesizeshallbeadjustedtoobtainanaccuratemoisturemeasurement.1.4ThevaluesstatedinSIunitsareregardedasthestandard.Note18212;ThisstandardistechnicallyequivalenttoISO15512MethodB.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:4P.;A4
【正文语种】: