ASTM D4672-2000(2006)e1 聚氨酯原材料的标准试验方法:多元醇含水量的测定
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时间:2024-05-22 03:07:32
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【英文标准名称】:StandardTestMethodsforPolyurethaneRawMaterials:DeterminationofWaterContentofPolyols
【原文标准名称】:聚氨酯原材料的标准试验方法:多元醇含水量的测定
【标准号】:ASTMD4672-2000(2006)e1
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D20.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;试验;含量测定;聚氨酯
【英文主题词】:KarlFischer;polyols;polyurethane;rawmaterials;watercontent
【摘要】:Thesetestmethodsaresuitableforqualitycontrol,asaspecificationtest,andforresearch.Thewatercontentofapolyolisimportantsinceisocyanatesreactwithwater.TESTMETHODA:MANUALPROCEDURETopNote28212;CommerciallyavailableautomatedKarlFischertitratorsareusedextensively.ThedescriptionofthemanualsystemspresentedbelowisforreferencepurposesandhasbeenincludedinordertobetterdefinetheprinciplesoftheKarlFischermeasurement.1.1Thesetestmethodsmeasurewatercontentofpolyolsandmanyotherorganiccompounds.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ThesetestmethodsareequivalenttoISO14897.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:4P.;A4
【正文语种】:
【原文标准名称】:聚氨酯原材料的标准试验方法:多元醇含水量的测定
【标准号】:ASTMD4672-2000(2006)e1
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D20.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;试验;含量测定;聚氨酯
【英文主题词】:KarlFischer;polyols;polyurethane;rawmaterials;watercontent
【摘要】:Thesetestmethodsaresuitableforqualitycontrol,asaspecificationtest,andforresearch.Thewatercontentofapolyolisimportantsinceisocyanatesreactwithwater.TESTMETHODA:MANUALPROCEDURETopNote28212;CommerciallyavailableautomatedKarlFischertitratorsareusedextensively.ThedescriptionofthemanualsystemspresentedbelowisforreferencepurposesandhasbeenincludedinordertobetterdefinetheprinciplesoftheKarlFischermeasurement.1.1Thesetestmethodsmeasurewatercontentofpolyolsandmanyotherorganiccompounds.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ThesetestmethodsareequivalenttoISO14897.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:4P.;A4
【正文语种】:
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