BS EN ISO 6975-1997 天然气.延伸分析.气相色谱法
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【英文标准名称】:Naturalgas-Extendedanalysis-Gaschromatographicmethod
【原文标准名称】:天然气.延伸分析.气相色谱法
【标准号】:BSENISO6975-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-08-15
【实施或试行日期】:1997-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;氩;热值;二氧化碳;化学分析和试验;化学成分;色谱法;定义;密度;含量测定;乙烷;气体分析;气相色谱法;混合气体;氦;烃类;氢;材料试验;数学计算;甲烷;计算方法;天然气;氮;氧;丙烷;验证
【英文主题词】:Analysis;Argon;Calorificvalues;Carbondioxide;Chemicalanalysisandtesting;Chemicalcomposition;Chromatography;Definitions;Density;Determinationofcontent;Ethane;Gasanalysis;Gaschromatography;Gasmixtures;Helium;Hydrocarbons;Hydrogen;Materialstesting;Mathematicalcalculations;Methane;Methodsofcalculation;Naturalgas;Nitrogen;Oxygen;Propane;Verification
【摘要】:ThisInternationalStandarddescribesthespecificationsforthequantitativeanalysisofthefollowingcomponentsofnaturalgas:heliumhydrogenargonoxygennitrogencarbondioxidesaturatedhydrocarbonsfromC1toC5hydrocarbonfractionsfromC6upwardsaromaticcompoundsasbenzeneandtolueneThegas-chromatographicmethodsdeterminethecomponentsinthefollowingranges:oxygen:0,001%(n/n)to0,5%(n/n)helium:0,001%(n/n)to0,5%(n/n)hydrogen:0,001%(n/n)to0,5%(n/n)argon:0,001%(n/n)to0,5%(n/n)nitrogen:0,001%(n/n)to40%(n/n)carbondioxide0,001%(n/n)to40%(n/n)methane:50%(n/n)to100%(n/n)ethane:0,02%(n/n)to15%(n/n)propane:0,001%(n/n)to5%(n/n)higherhydrocarbons:Themethodcanmeasurehydrocarboncomponentsfrom10(n/n)uptotheirmaximumconcentration,whichiscompatiblewiththerequirementthatthegasisfreefromhydrocarboncondensateatanypressureintherange1×10kPato7×10kPa.Thismethodisnotintendedforthedeterminationofoxygencompounds(watervapour,methanol,glycols)orsulfurcompounds.ItisnotpossibletomakeunambiguousidentificationsofhydrocarbonsaboveC6.Evenwhere"spiking"agasmixturewithknowncomponentsshowswheretheyelute,itcannotbestatedwithcertaintythatsuchacomponentistheonlyonewiththatretentiontime.Unidentifiedcomponentsareclassifiedaccordingtothecarbonnumberwhichtheanalysisindicatestobeappropriate.Whilethisisanecessarysimplification,itdoesallowareasonablequantitativevaluetobeobtained.Thismethodisintendedforuseinsituationswherethehexanespluscompositionalbreakdownand/orthecompleteanalysisisdesired.Themethodisnotintendedfordensephasegaseswhosepressureexceedsthecricondebar(criticalcondensationpressure),orforgassamplescontaininganymeasurablehydrocarboncondensate,liquidwaterorprocessfluidsuchasmethanolorglycols(seeISO6570-1andISO10715).GaseswhichhavebeentreatedfortransmissionareunlikelytocontaindetectablelevelsofhydrocarbonsaboveC12.Samplestakenfromnearerthewellhead,beforethegashasreachedgastreatmentplants,maycontainhydrocarbonstoC16orabove.
【中国标准分类号】:E24
【国际标准分类号】:75_060
【页数】:32P.;A4
【正文语种】:英语
【原文标准名称】:天然气.延伸分析.气相色谱法
【标准号】:BSENISO6975-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-08-15
【实施或试行日期】:1997-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;氩;热值;二氧化碳;化学分析和试验;化学成分;色谱法;定义;密度;含量测定;乙烷;气体分析;气相色谱法;混合气体;氦;烃类;氢;材料试验;数学计算;甲烷;计算方法;天然气;氮;氧;丙烷;验证
【英文主题词】:Analysis;Argon;Calorificvalues;Carbondioxide;Chemicalanalysisandtesting;Chemicalcomposition;Chromatography;Definitions;Density;Determinationofcontent;Ethane;Gasanalysis;Gaschromatography;Gasmixtures;Helium;Hydrocarbons;Hydrogen;Materialstesting;Mathematicalcalculations;Methane;Methodsofcalculation;Naturalgas;Nitrogen;Oxygen;Propane;Verification
【摘要】:ThisInternationalStandarddescribesthespecificationsforthequantitativeanalysisofthefollowingcomponentsofnaturalgas:heliumhydrogenargonoxygennitrogencarbondioxidesaturatedhydrocarbonsfromC1toC5hydrocarbonfractionsfromC6upwardsaromaticcompoundsasbenzeneandtolueneThegas-chromatographicmethodsdeterminethecomponentsinthefollowingranges:oxygen:0,001%(n/n)to0,5%(n/n)helium:0,001%(n/n)to0,5%(n/n)hydrogen:0,001%(n/n)to0,5%(n/n)argon:0,001%(n/n)to0,5%(n/n)nitrogen:0,001%(n/n)to40%(n/n)carbondioxide0,001%(n/n)to40%(n/n)methane:50%(n/n)to100%(n/n)ethane:0,02%(n/n)to15%(n/n)propane:0,001%(n/n)to5%(n/n)higherhydrocarbons:Themethodcanmeasurehydrocarboncomponentsfrom10(n/n)uptotheirmaximumconcentration,whichiscompatiblewiththerequirementthatthegasisfreefromhydrocarboncondensateatanypressureintherange1×10kPato7×10kPa.Thismethodisnotintendedforthedeterminationofoxygencompounds(watervapour,methanol,glycols)orsulfurcompounds.ItisnotpossibletomakeunambiguousidentificationsofhydrocarbonsaboveC6.Evenwhere"spiking"agasmixturewithknowncomponentsshowswheretheyelute,itcannotbestatedwithcertaintythatsuchacomponentistheonlyonewiththatretentiontime.Unidentifiedcomponentsareclassifiedaccordingtothecarbonnumberwhichtheanalysisindicatestobeappropriate.Whilethisisanecessarysimplification,itdoesallowareasonablequantitativevaluetobeobtained.Thismethodisintendedforuseinsituationswherethehexanespluscompositionalbreakdownand/orthecompleteanalysisisdesired.Themethodisnotintendedfordensephasegaseswhosepressureexceedsthecricondebar(criticalcondensationpressure),orforgassamplescontaininganymeasurablehydrocarboncondensate,liquidwaterorprocessfluidsuchasmethanolorglycols(seeISO6570-1andISO10715).GaseswhichhavebeentreatedfortransmissionareunlikelytocontaindetectablelevelsofhydrocarbonsaboveC12.Samplestakenfromnearerthewellhead,beforethegashasreachedgastreatmentplants,maycontainhydrocarbonstoC16orabove.
【中国标准分类号】:E24
【国际标准分类号】:75_060
【页数】:32P.;A4
【正文语种】:英语
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