ISO 12937-2000 石油产品水分的测定库仑卡尔·费休滴定法
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【英文标准名称】:Petroleumproducts-Determinationofwater-CoulometricKarlFischertitrationmethod
【原文标准名称】:石油产品水分的测定库仑卡尔·费休滴定法
【标准号】:ISO12937-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-11
【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】:石油产品;试验;含水量;含量测定;取样;卡尔费希尔;卡耳费歇尔滴定法;滴定法
【英文主题词】:Determinationofcontent;KarlFischer;KarlFischertitration;Petroleumproducts;Sampling;Testing;Titration;Watercontent
【摘要】:ThisInternationalStandardspecifiesamethodforthedirectdeterminationofwaterinpetroleumproductsboilingbelow390℃.Itcoversthemassfractionrange0,003%(m/m)to0,100%(m/m).Itisnotapplicabletoproductscontainingketonesortoresidualfueloils.ThisInternationalStandardmaybeapplicabletolubricatingbaseoils.However,theprecisionhasnotbeenestablishedforthesematerials.Theprecisiongiveninclause12isbasedupondataobtainedusingdual-cell,dual-electrolytesystems.NOTE1Anumberofsubstancesandclassesofcompoundsassociatedwithcondensationoroxidation-reductionreactionsinterfereinthedeterminationofwaterbyKarlFischertitration.Inpetroleumproducts,themostcommoninterferencesarehydrogensulfideandmercaptansulfur,however,massfractionsofthesebelow0,003%(m/m)assulfurwillnotcausesignificantinterferenceovertherange0,003%(m/m)to0,100%(m/m)water.Otherorganicsulfurcompoundscommonfypresentsuchassulfides,disulphidesandthiophenes,donotinterfere.NOTE2AnalternativeprocedureisprovidedforinformationinannexBforthedirectdeterminationofwaterovertherange0,003%(V/V)to0,100%(V/V)inpetroleumproducts.ThelimitationsunderwhichthisalternativevolumemeasurementmaybeusedarelistedinannexB.NOTE3ForthepurposesofthisInternationalStandard,theterms"%(m/m)"and"%(V/V)"areusedtorepresentthemassandvolumefractionofamaterialrespectively.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:11P;A4
【正文语种】:英语
【原文标准名称】:石油产品水分的测定库仑卡尔·费休滴定法
【标准号】:ISO12937-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-11
【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】:石油产品;试验;含水量;含量测定;取样;卡尔费希尔;卡耳费歇尔滴定法;滴定法
【英文主题词】:Determinationofcontent;KarlFischer;KarlFischertitration;Petroleumproducts;Sampling;Testing;Titration;Watercontent
【摘要】:ThisInternationalStandardspecifiesamethodforthedirectdeterminationofwaterinpetroleumproductsboilingbelow390℃.Itcoversthemassfractionrange0,003%(m/m)to0,100%(m/m).Itisnotapplicabletoproductscontainingketonesortoresidualfueloils.ThisInternationalStandardmaybeapplicabletolubricatingbaseoils.However,theprecisionhasnotbeenestablishedforthesematerials.Theprecisiongiveninclause12isbasedupondataobtainedusingdual-cell,dual-electrolytesystems.NOTE1Anumberofsubstancesandclassesofcompoundsassociatedwithcondensationoroxidation-reductionreactionsinterfereinthedeterminationofwaterbyKarlFischertitration.Inpetroleumproducts,themostcommoninterferencesarehydrogensulfideandmercaptansulfur,however,massfractionsofthesebelow0,003%(m/m)assulfurwillnotcausesignificantinterferenceovertherange0,003%(m/m)to0,100%(m/m)water.Otherorganicsulfurcompoundscommonfypresentsuchassulfides,disulphidesandthiophenes,donotinterfere.NOTE2AnalternativeprocedureisprovidedforinformationinannexBforthedirectdeterminationofwaterovertherange0,003%(V/V)to0,100%(V/V)inpetroleumproducts.ThelimitationsunderwhichthisalternativevolumemeasurementmaybeusedarelistedinannexB.NOTE3ForthepurposesofthisInternationalStandard,theterms"%(m/m)"and"%(V/V)"areusedtorepresentthemassandvolumefractionofamaterialrespectively.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:11P;A4
【正文语种】:英语
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