IEC 61754-5-1996 纤维光学连接器接口第5部分:MT型连接器门类
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【英文标准名称】:Fibreopticconnectorinterfaces-Part5:TypeMTconnectorfamily
【原文标准名称】:纤维光学连接器接口第5部分:MT型连接器门类
【标准号】:IEC61754-5-1996
【标准状态】:作废
【国别】:国际
【发布日期】:1996-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC86B
【标准类型】:()
【标准水平】:()
【中文主题词】:纤维光学;连接工艺;连接器;光波导;电气工程;指导手册
【英文主题词】:fibreoptics;connectors;opticalwaveguides;guidebooks;connectiontechnology;electricalengineering
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:11P;A4
【正文语种】:英语
【英文标准名称】:Pneumatictubesystems;componentsforpneumatictubelinesofunplasticizedpolyvinylchloride(PVC-U);technicaldeliveryspecifications
【原文标准名称】:管道风动传送系统.无增塑聚氯乙烯(PVC-U)气动输送管道构件.交货技术条件
【标准号】:DIN6662-1970
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:J81
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodforSyntheticAnionicActiveIngredientinDetergentsbyCationicTitrationProcedure
【原文标准名称】:用阳离子滴定程序对洗涤剂中合成阴离子活性成分的标准试验方法
【标准号】:ASTMD1681-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:试验;肥皂;活性物质;洗涤剂;抛光剂
【英文主题词】:
【摘要】:Thistestmethoddeterminesanionicdetergentscommonlyfoundinlaundry,dishwashing,andothercleaningmaterials.Accuratedeterminationoftheanionicactivesubstanceishighlyimportantinassessingthecostandeffectivenessofsuchcleaningsubstances.1.1Directtitrationofananionicsurfactantwithastandardizedcationicreagentisasimpleandconvenientmethodforthequantitativedeterminationofthecontentofactiveingredient.Theendpointisdetffectedbythetransferofacoloredcomplexfromanorganicsolventphasetoanaqueousphase.Therelationshipbetweenanionicandcationicagentsisnotalwaysstoichiometric,andformaximumaccuracytheanionictypeofinterestshouldfirstbecharacterizedandthenusedtostandardizethecationicreagent.Inmostcases,however,thedifferentanionicsurfactantslikelytobeencounteredreactinthesameproportions.Thatis,acationictitratingsolutionstandardizedagainstacharacterizedanionicagentcanbeusedtoanalyzeotheranionicsofknownmolecularweights.1.2Thistestmethodisapplicabletoalkylarylsulfonatesandfattyalkylsulfates.Lowresultsareobtainedwithalkylbenzenesulfonateshavingthealkylchainlengthlessthaneightcarbonatoms.Lowresultsarealsoobtainedforalkylsulfateswiththealkylchainlengthoflessthantwelvecarbonatoms.TheanionicsurfactantscharacterizedinaccordancewithSectionsshouldbethesodiumsaltandnotamine,ammonium,orpotassiumsalts.Incaseonlyamineorammoniumsaltsareavailable,theyshouldbefirstconvertedtothesodiumsaltbeforeproceedingwiththisanalysis.1.3Theanalyticalproceduresappearinthefollowingorder:SectionsSeparationofAlcohol-SolubleMatter8and9SeparationofOil-FreeSulfonate10and11DeterminationofSodiumChloride(NaCl)Content12-17CharacterizationofAnionicSurfactantStandard:PartI.DeterminationofSurfactant,SO3Content,andSolutionMolarity18-20PartII.DeterminationofSurfactant,SO3andActiveIngredientContentsCombiningWeight,andSolutionMolarity21-24StandardizationofCationicReagent25-29QuantitativeDeterminationofAnionicSurfactantbyCationicTitration30-33
