【英文标准名称】:Surfaceactiveagents-Detergents-Determinationofcationic-activemattercontent-Cationic-activematteroflowmolecularmass(between200and500)
【原文标准名称】:表面活性剂.洗涤剂,阳离子活性物含量测定.第2部分:低分子团(200-500)阳离子活性物质
【标准号】:BSENISO2871-2-1994
【标准状态】:作废
【国别】:英国
【发布日期】:1994-11-15
【实施或试行日期】:1994-11-15
【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】:含量测定;干扰(化学);再现性;清洗材料;表面活性剂;表面活性剂;洗涤剂;阳离子;容量分析;化学分析和试验
【英文主题词】:Cationicactivematter;Chemicalanalysisandtesting;Detergents;Determinationofcontent;Materialstesting;Surfactants;Testing;Volumetricanalysis
【摘要】:ThispartofISO2871specifiesamethodforthede-terminationoflow-molecular-masscationic-activematerialssuchasmonoamines,amineoxides,quaternaryammoniumcompoundsandalkyl-pyridiniumsaltswhichhaveamainchainof10to22carbonatomsandnotmorethan6othercarbonatomsinthecation.Themethodisalsosuitableforothercationic-activematerials.Themethodisapplicabletosolidsortoaqueoussolutionsoftheactivematerial.Therelativemol-ecularmassofthecationic-activemattershallbeknownorpreviouslydeterminedifitscontentisex-pressedasapercentagebymass.Ifmorethanonetypeofcationic-activematerialispresent,anesti-mateofaveragerelativemolecularmassmaybeused.Themethodisnotapplicableifanionicand/oram-photericsurfaceactiveagentsarepresent.NOTE1Lowrelativemolecularmasssulfonatesoftolueneandxylenepresentashydrotropesdonotinter-ferewhenpresentinconcentrationsuptoandincluding15%(m/m)withrespecttotheactivematerial.Athigherlevels,theirinfluenceshouldbeevaluatedineachpar-ticularcase.Non-ionicsurfaceactiveagents,soap,ureaandthesaltsof(ethylenedinitrilo)tetraaceticaciddonotin-terfere.Typicalinorganiccomponentsofdetergentformu-lations,suchassodiumchloride,sulfate,borate,tripolyphosphate,perborate,silicate,etc.,donotIn-terfere,butbleachingagentsotherthanperborateshallbedestroyedbeforetheanalysis,andthesampleshallbecompletelysolubleinwater.ThispartofISO2871shouldbereadinconjunctionwithISO2271.
【中国标准分类号】:Y43
【国际标准分类号】:71_100_40
【页数】:12P.;A4
【正文语种】:英语