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【英文标准名称】:Surfaceactiveagents-Determinationofcloudpointofnon-ionicsurfaceactiveagentsobtainedbycondensationofethyleneoxide
【原文标准名称】:表面活性剂.由环氧乙烷凝缩获得的非离子表面活性剂的浊点的测定
【标准号】:BSEN1890-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-07-31
【实施或试行日期】:2006-07-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Composition;Definition;Definitions;Determination;Ethyleneoxide;Materialstesting;Non-ionicactivematter;Solvents;Surfaceactive;Surfactantsolution;Surfactants;Temperaturemeasurement;Testapparatus;Testing;Turbidity;Turbiditypoint;Washingpowders
【摘要】:Thisdocumentspecifiesmethodsforthedeterminationofthecloudpointofsolutionsofnon-ionicsurfaceactiveagentsobtainedbythereactionofethyleneoxidewithahydrophobicbasemolecule.Thisdocumentprimarilyappliestosurfactantsobtainedbyreactionofethyleneoxidewithhydrophobicbasemolecules,suchasfattyalcohols,fattyacids,long-chainalkylphenols,fattyamines,fattyacidestersofsugarderivativesamongotherethoxylatednon-ionicsurfactants,whicharebyfarthemostcommonlyused.NOTEOthernon-ionicsurfactantscontainingotherstructuralunits,suchaspropyleneoxide-ethyleneoxideblockcopolymers,havedistinctivebehavioursthatmakethedeterminationofthecloudpointmoredifficult.Thisleadssometimestoacontinuousturbidityoveratemperaturerangeofseveraldegreesoreventotheoccurrenceoftwocloudpointsatsignificantlydifferenttemperatures.
【中国标准分类号】:G72
【国际标准分类号】:71_100_40
【页数】:14P.;A4
【正文语种】:英语