【英文标准名称】:StandardTestMethodforDeterminationofVariousAnionicSurfactantActivesbyPotentiometricTitration
【原文标准名称】:用电位滴定法对各种阴离子表面活性剂活性的标准试验方法
【标准号】:ASTMD6173-1997(2005)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:D12.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:阴离子
【英文主题词】:
【摘要】:Themostcommonanionicsurfactantspresentedinthistestmethodareusedwidelyinsyntheticdetergentsandotherhouseholdcleaners.Currentanalysisoftheactivematterintheseanionicsurfactantsinvolvesthetwo-phaseaqueous/chloroformtitrationwithamixedindicator,organicdyessuchasdisulphineblue/dimidiumbromide(seeTestMethodD3049),andmethyleneblue(seeTestMethodD1681).Thistestmethodeliminatestheuseofhazardouschloroform,theuseofwhichisrestrictedforenvironmentalandtoxicologicalreasons.Thistestmethodalsodescribesthetitrationofvariousratioblendsofsodiumalkylbenzenesulfonateandsodiumxylenesulfonate.Activemattercontentintheseblendsisattributabledirectlytosodiumalkylbenzenesulfonate.Therefore,thepresenceofvariousamountsofsodiumxylenesulfonateintheseblendsdoesnotinterferewiththedeterminationofpercentactives.1.1Thistestmethodisbasedonapotentiometrictitrationofcommonanionicsurfactantsandblendsofanionicsurfactantwithahydrotrope.Thistestmethodsolelyisintendedfortheanalysisofactivematterinthefollowingsurfactants:alcoholethersulfate,alphaolefinsulfonate,alkylbenzenesulfonicacid,alcoholsulfate,sodiumalkylbenzenesulfonate/sodiumxylenesulfonateblend(5:1),sodiumalkylbenzenesulfonate/sodiumxylenesulfonateblend(16:1),andsodiumalkylbenzenesulfonate/sodiumxylenesulfonateblend(22:1).Ithasnotbeentestedforsurfactantformulations.1.2Thisstandarddoesnotpurporttoaddressallthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.MaterialSafetyDataSheetsareavailableforreagentsandmaterials.Reviewthemforhazardspriortousage.
【中国标准分类号】:G72
【国际标准分类号】:71_040_99
【页数】:4P.;A4
【正文语种】: