【英文标准名称】:Petroleumproducts—Determinationofsulfurcontent—Oxidativemicrocoulometrymethod
【原文标准名称】:石油产品.硫含量测定.氧化微库仑分析法
【标准号】:ISO16591-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-12-15
【实施或试行日期】:2010-12-15
【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;库仑法;含量测定;烃类;材料试验;数学计算;微量化学分析;微库仑分析法;氧化;石油产品;硫含量
【英文主题词】:Chemicalanalysisandtesting;Coulometricmethods;Determinationofcontent;Hydrocarbons;Materialstesting;Mathematicalcalculations;Microchemicalanalysis;Microcoulometry;Oxidation;Petroleumproducts;Sulphurcontent
【摘要】:WARNING—TheuseofthisInternationalStandardmayinvolvehazardousmaterial,operationsandequipment.ThisInternationalStandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.ItistheresponsibilityoftheuserofthisInternationalStandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ThisInternationalStandardspecifiesamethodforthedeterminationofthesulfurcontentbyoxidativemicrocoulometryofpetroleumlightandmiddledistillateswithafinalboilingpointnothigherthan400°C.Itisapplicabletomaterialswithsulfurcontentsintherangeof1mg/kgto100mg/kg.Productswithsulfurcontentsabove100mg/kgcanbeanalysedafterdilutionwithasuitablesulfur-freesolvent.Productswithsulfurcontentsbelow1mg/kgcanalsobeanalysedbyamodifiedtechniquedescribedinAnnexA.Theprecisionquotedonlyappliestomeasurementsinthe1mg/kgto100mg/kgrange.Nitrogeninterfereswiththeanalysisatconcentrationsabove0,1%(m/m),andchlorineinterferesatconcentrationsabove1,0%(m/m),buttheseinterferencesareovercomebytheadditionofsodiumazidetothecellelectrolyte.Bromineandorganometalliccompoundsalsointerferewiththeanalysisatconcentrationsaboveapproximately500mg/kg.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:20P.;A4
【正文语种】:英语