ASTM D4337-1989(2009) 直链洗涤剂烷基化物分析的标准试验方法

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【英文标准名称】:StandardTestMethodsforAnalysisofLinearDetergentAlkylates
【原文标准名称】:直链洗涤剂烷基化物分析的标准试验方法
【标准号】:ASTMD4337-1989(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1989
【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】:
【英文主题词】:linearalkylbenzenes;lineardetergentalkylates;Alkylates;Detergentmaterials/systems--synthetic;Gaschromatography(GC)--detergents;Lineardetergentalkylates
【摘要】:Thesetestmethodsaresuitableforsettingspecificationsonlineardetergentalkylatesandforqualitycontrolwherethesealkylatesaremanufacturedorareusedinamanufacturingprocess.Thegaschromatographytestisusefulinidentifyinglineardetergentalkylatesproducedbythevariousmanufacturingprocessesandfordeterminingtheapplicabilityofalineardetergentalkylatetoaparticularenduse.TestconditionshavebeenoptimizedforresolutionoftheC-9toC-15lineardetergentalkylatesandthepresenceofhigherorlowerchainlengthswillbereadilyapparentbutmayproduceerroneousresults.Thetetralinstructureshavenotbeensufficientlyidentifiedtoallowdeterminationoftetralins,andsmallunidentifiedcomponentsarereportedastetralinsandunidentifieds.Somelineardetergentalkylatesuseamanufacturingprocesswithanorganicchlorideasaprecursor.Thistestmaybeusedtoensurethatthechloridecontentofthealkylateisnotexcessiveforaparticularenduse.Theplatinum-cobaltcolortestisusefulindeterminingthatthecolorofthelineardetergentalkylatewillnotcontributetothecoloroftheenduseproduct.Therefractiveindexandspecificgravitytestsarepossibleaidsintheidentificationoflineardetergentalkylatesandinevaluatingalkylatesforgrosscontaminants.Thewatertestissuitablefordeterminingthatlineardetergentalkylatesdonotcontainamountsofwaterdeleterioustofurtherprocessing.1.1Thesetestmethodscoverchemicalandphysicaltestsapplicabletolineardetergentalkylates,evaluatingthosepropertieswhichcharacterizelineardetergentalkylateswithrespecttoitssuitabilityfordesireduses.Note18212;Lineardetergentalkylatescompriseslinearalkylbenzenespreparedbyvaryingprocessesofvaryinglinearalkylchainlength.Thealkylateissulfonatedforsurfactantuse,thelargestapplicationbeingindetergentproducts.Carefulcontroloflineardetergentalkylatecharacteristicsisdesired;duringsulfonation,variationsofthesulfonatecanoccurthatmayresultineitherdesirableorundesirableend-useproperties.
【中国标准分类号】:Y43
【国际标准分类号】:71_100_40
【页数】:7P.;A4
【正文语种】:英语