【英文标准名称】:Petroleumproducts-Determinationofbrominenumberofdistillatesandaliphaticolefins-Electrometricmethod
【原文标准名称】:石油产品馏份和脂肪族烯烃溴值的测定电位滴定法
【标准号】:ISO3839-1996
【标准状态】:现行
【国别】:国际
【发布日期】:1996-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;溴值;烯烃;电解分析法;蒸馏;链烯;连接;石油产品
【英文主题词】:Alkenes;Brominenumber;Chemicalanalysisandtesting;Connections;Distillation;Electro-analyticalmethods;Olefins;Petroleumproducts
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationofthebrominenumberofthefollowingmaterials:a)petroleumdistillatesthataresubstantiallyfreeofmateriallighterthan2-methylpropane,andthathave90%(V/V)(i.e.volumefraction90%)distillationrecoverytemperaturesunder327℃.Themethodisgenerallyapplicabletogasolines(includingleaded,unleadedandoxygenatedfuels),kerosinesanddistillatesinthegasoilrangethatfallwithinthefollowinglimits:90%(V/V)recoverydistillationBrominenumber,max.temperature(ISO3405)(seenote1)Under205℃175205℃to327℃10b)commercialolefinsthatareessentiallymixturesofaliphaticmonoolefinsandthatfallwithintherangeof95to165brominenumber(seenote1).Themethodhasbeenfoundsuitableforsuchmaterialsascommercialpropenetrimerandtetramer,butenedimer,andmixednonenes,octenesandheptenes.Themethodisnotsuitablefornormalalpha-olefins.NOTES1Theselimitsareimposedsincetheprecisionofthemethodhasbeendeterminedonlyuptoorwithintherangeofthesebrominenumbers.2Thevalueofthebrominenumberisanindicationofthequantityofbromine-reactiveconstituents,notanidentificationofconstituents.AnnexAandtableA.1giveinformationrelatedtotheuseofthisInternationalStandardasameasureofolefinicunsaturation.
【中国标准分类号】:E30
【国际标准分类号】:71_080_10;75_080
【页数】:12P.;A4
【正文语种】:英语