ISO 6296-2000 石油产品水的测定电位测量卡尔·费休滴定法

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【英文标准名称】:Petroleumproducts-Determinationofwater-PotentiometricKarlFischertitrationmethod
【原文标准名称】:石油产品水的测定电位测量卡尔·费休滴定法
【标准号】:ISO6296-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-08
【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】:卡尔费希尔;卡耳费歇尔滴定法;试验;取样;滴定法;含量测定;石油产品;含水量;电位测量法
【英文主题词】:Determinationofcontent;KarlFischer;KarlFischertitration;Petroleumproducts;Potentiometricmethods;Sampling;Testing;Titration;Watercontent
【摘要】:ThisInternationalStandardspecifiesamethodforthedirectdeterminationofwaterinpetroleumproductsboilingbelow390℃.Itcoversthemassfractionrange0,003%(m/m)to0,100%(m/m).ThisInternationalStandardmaybeapplicabletopetroleumproductsboilingabove390℃andlubricatingbaseoils.However,theprecisionhasnotbeenestablishedforthesematerials.NOTE1Anumberofsubstancesandclassesofcompoundsassociatedwithcondensationoroxidation-reductionreactionsinterfereinthedeterminationofwaterbyKarlFischertitration.Inpetroleumproducts,themostcommoninterferencesarehydrogensulfideandmercaptansulfur,however,concentrationsofthesebelow0,003%(m/m)assulfurwillnotcausesignificantinterferenceovertherange0,003%(m/m)to0,100%(m/m)water.Otherorganicsulfurcompoundscommonlypresentsuchassulfides,disulfidesandthiophenes,donotinterfere.NOTE2ForthepurposesofthisInternationalStandard,theterms"%(m/m)"and"%(V/V)"areusedtorepresentthemassandvolumefractionsofamaterialrespectively.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:10P;A4
【正文语种】:英语