标准资料网-标准资料免费资源平台

【英文标准名称】:Methodsoftestforpetroleumanditsproducts-BS2000-526:Liquidpetroleumproducts-Determinationofhydrocarbontypesandoxygenatesinpetrol-Multidimensionalgaschromatographymethod
【原文标准名称】:石油及其产品的试验方法.BS2000-526:液体石油产品.汽油中烃类和氧化物的测定.多维气相色谱法
【标准号】:BSEN14517-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-11-02
【实施或试行日期】:2004-11-02
【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】:汽油;化学成分;矿物油;矿物油烃类;定义;分析;气相色谱法;燃料;组分;氧化;烃类;测定;化学分析和试验;石油产品;材料试验;试验
【英文主题词】:Analysis;Chemicalanalysisandtesting;Chemicalcomposition;Composition;Definition;Definitions;Determination;Fuels;Gaschromatography;Gasoline;Hydrocarbons;Materialstesting;Mineraloilhydrocarbons;Mineraloils;Oxygenates;Petroleumproducts;Testing
【摘要】:Thisdocumentspecifiesthegaschromatographicdeterminationofsaturated,olefinicandaromatichydrocarbonsinfinishedpetrolaccordingtoEN228.Additionally,thebenzenecontent,oxygenatecompoundsandthetotaloxygenatecontentcanbedetermined.Themethodisapplicableforfinishedpetrolwithtotalaromaticcontentupto50%(V/V),totalolefincontentfromabout1,5%(V/V)upto30%(V/V),oxygenatecompoundsupto15%(V/V),totaloxygencontentfromabout1,5%(m/m)toabout3%(m/m)andbenzenecontentlessthan2%(V/V).NOTE1ForthepurposesofthisEuropeanStandard,theterms"%(m/m)"and"%(V/V)"areusedtorepresentrespectivelythemassfractionandthevolumefraction.NOTE2Whiledevelopingthismethodthefinalboilingpointwaslimitedto215℃.NOTE3Foroxygenatecompounds,precisiondatahasonlybeenestablishedonsamplescontainingethyl-tert-butylether(ETBE),methyl-fert-butylether(MTBE),tert-amyl-methylether(TAME)andethanol.Applicabilityofthistestmethodhasalsobeenverifiedforthedeterminationofmethanol,n-propanol,i-propanol,i-butanol,tert-butanol,acetone,anddi-isopropylether(DIPE).However,noprecisiondatahavebeendeterminedforthesecompounds.Ifanyoftheseoxygenatecompoundsarepresentinthesample,theircontentsshouldbedeterminedbyuseoftheappropriatetestmethodsgiveninEN228.NOTE4Althoughthistestmethodmaybeusedtodeterminehigherolefincontentsupto50%(V/V),theprecisionforolefinswasonlytestedintherangefromabout1,5%(V/V)toabout30%(V/V).NOTE5Althoughspecificallydevelopedfortheanalysisoffinishedpetrolthatcontainsoxygenates,thistestmethodmayalsobeappliedtootherhydrocarbonstreamshavingsimilarboilingrangessuchasnaphthasandreformates.
【中国标准分类号】:E30
【国际标准分类号】:75_160_20
【页数】:22P;A4
【正文语种】:英语


【英文标准名称】:Earth-movertyresandrims-Part2:Loadsandinflationpressures
【原文标准名称】:土方机械轮胎和轮辋第2部分:载重和充气压力
【标准号】:ISO4250-2-1995
【标准状态】:作废
【国别】:国际
【发布日期】:1995-10
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC31
【标准类型】:()
【标准水平】:()
【中文主题词】:充气轮胎;内压负荷;轮胎;载荷能力;轮辋;土方机械;荷载能力
【英文主题词】:Earth-movingequipment;Internalpressureload;Loadcapacities;Loadcapacity;Pneumatictyres;Tyres;Wheelrims
【摘要】:Givesdefinitionsofmasses,operatingconditionsandloadcycles,anddefinestyreloadsandreferenceinflationpressuresfornarrowandwidebasetyresprimarilyusedforearth-movermachines.Cancelsandreplacesthesecondedition,whichhasbeentechnicallyrevised.
【中国标准分类号】:G41
【国际标准分类号】:53_100;83_160_30
【页数】:13P;A4
【正文语种】:英语