【英文标准名称】:Crudepetroleum-Determinationofwater-CoulometricKarlFischertitrationmethod
【原文标准名称】:原油水分的测定库仑卡尔·费休滴定法
【标准号】:ISO10337-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-12
【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】:含量测定;卡耳费歇尔滴定法;石油;矿物油;卡耳费瑟方法;库仑法;含水量;原油;化学分析和试验
【英文主题词】:Chemicalanalysisandtesting;Coulometricmethods;Crudeoils;Determinationofcontent;KarlFischermethod;KarlFischertitration;Mineraloils;Petroleum;Watercontent
【摘要】:ThisInternationalStandardspecifiesacoulometricKarlFischertitrationmethodforthedirectdeterminationofwaterincrudepetroleum.Itcoverstherange0,050%(m/m)to5,00%(m/m)waterincrudepetroleumcontaininglessthan0,05%(m/m)butmorethan0,005%(m/m)ofeithermercaptansulfurorsulfideionsulfurorboth.Itcoverstherange0,020%(m/m)to5,00%(m/m)waterincrudepetroleumcontaininglessthan0,005%(m/m)ofeithermercaptansulfurorsulfideionsulfurorboth.NOTE1Anumberofsubstancesandclassesofcompoundsassociatedwithcondensationoroxidation-reductionreactionsinterfereinthedeterminationofwaterbyKarlFischertitration.However,theonlylikelyinterferingsubstancespresentincrudepetroleumaremercaptansandionicsulfidesandprovidingthattheyarepresentatlevelslessthan0,05%(m/m),theinterferenceisinsignificantwhendeterminingwaterintherange0,050%(m/m)to5,00%(m/m).NOTE2AnalternativeprocedureisprovidedinannexBforthedirectdeterminationofwaterovertherange0,05%(V/V)to5,00%(V/V)incrudepetroleumcontaininglessthan0,05%(V/V)ofeithermercaptansulfurorionicsulfidesulfurorboth.ThelimitationsunderwhichthisalternativevolumemeasurementmaybeusedarelistedinannexB.Thevolumemeasurementmayalsobeusedtodeterminewaterintherange0,02%(V/V)to5,00%(V/V)iftheaboveinterferingsubstancesarepresentatlevelsoflessthan0,005%(V/V)aseithermercaptansulfurorionicsulfidesulfurorboth.NOTE3ForthepurposesofthisInternationalStandard,theterms"%(m/m)"and"%(V/V)"areusedtorepresentthemassandvolumefractionsrespectively.
【中国标准分类号】:E21
【国际标准分类号】:75_040
【页数】:12P.;A4
【正文语种】:英语