热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

ASTM D6733-2001(2006) 用50米毛细管高分辨率气相色谱法测定火花点火发动机燃料中各种成分的标准试验方法

作者:标准资料网 时间:2024-05-03 06:58:39  浏览:8022   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforDeterminationofIndividualComponentsinSparkIgnitionEngineFuelsby50-MetreCapillaryHighResolutionGasChromatography
【原文标准名称】:用50米毛细管高分辨率气相色谱法测定火花点火发动机燃料中各种成分的标准试验方法
【标准号】:ASTMD6733-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.04.0L
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:机动车燃料;毛细管;气相色谱法;各种成分;材料试验;仪表校准;物理化学法;火花点火;点火发动机;试验
【英文主题词】:detailedhydrocarbonanalysis;DHA;gaschromatography;gasoline;hydrocarbons;opentubular;oxygenates;sparkignitionenginefuels
【摘要】:Knowledgeoftheindividualcomponentcomposition(speciation)ofgasolinefuelsandblendingstocksisusefulforrefineryqualitycontrolandproductspecification.Processcontrolandproductspecificationcomplianceformanyindividualhydrocarbonsmaybedeterminedthroughtheuseofthistestmethod.1.1Thistestmethodcoversthedeterminationofindividualhydrocarboncomponentsofspark-ignitionenginefuelswithboilingrangesupto225176;C.Otherlightliquidhydrocarbonmixturestypicallyencounteredinpetroleumrefiningoperations,suchas,blendingstocks(naphthas,reformates,alkylates,andsoforth)mayalsobeanalyzed;however,statisticaldatawasobtainedonlywithblendedspark-ignitionenginefuels.Thetablesinenumeratethecomponentsreported.Componentconcentrationsaredeterminedintherangefrom0.10to15mass%.Theproceduremaybeapplicabletohigherandlowerconcentrationsfortheindividualcomponents;however,theusermustverifytheaccuracyiftheproceduresareusedforcomponentswithconcentrationsoutsidethespecifiedranges.1.2Thistestmethodisapplicablealsotospark-ignitionenginefuelblendscontainingoxygenatedcomponents.However,inthiscase,theoxygenatecontentmustbedeterminedbyTestMethodsD5599orD4815.1.3Benzeneco-eluteswith1-methylcyclopentene.BenzenecontentmustbedeterminedbyTestMethodD3606orD5580.1.4Tolueneco-eluteswith2,3,3-trimethylpentane.ToluenecontentmustbedeterminedbyTestMethodD3606orD5580.1.5Althoughamajorityoftheindividualhydrocarbonspresentaredetermined,someco-elutionofcompoundsisencountered.Ifthisprocedureisutilizedtoestimatebulkhydrocarbongroup-typecomposition(PONA)theuserofsuchdatashouldbecautionedthaterrormaybeencounteredduetoco-elutionandalackofidentificationofallcomponentspresent.Samplescontainingsignificantamountsofnaphthenic(forexample,virginnaphthas)constituentsaboven-octanemayreflectsignificanterrorsinPONAtypegroupings.Basedontheinterlaboratorycooperativestudy,thisprocedureisapplicabletosampleshavingconcentrationsofolefinslessthan20mass%.However,significantinterferingcoelutionwiththeolefinsaboveC7ispossible,particularlyifblendingcomponentsortheirhigherboilingcutssuchasthosederivedfromfluidcatalyticcracking(FCC)areanalyzed,andthetotalolefincontentmaynotbeaccurate.Manyoftheolefinsinsparkignitionfuelsareataconcentrationbelow0.10%;theyarenotreportedbythistestmethodandmaybiasthetotalolefinresultslow.1.5.1Totalolefinsinthesamplesmaybeobtainedorconfirmed,orboth,byTestMethodD1319(volume%)orothertestmethods,suchasthosebasedonmultidimensionalPONAtypeofinstruments.1.6Ifwaterisorissuspectedofbeingpresent,itsconcentrationmaybedetermined,ifdesired,bytheuseofTestMethodD1744.Othercompoundscontainingsulfur,nitrogen,andsoforth,mayalsobepresent,andmayco-elutewiththehydrocarbons.Ifdeterminationofthesespecificcompoundsisrequired,itisrecommendedthattestmethodsforthesespecificmaterialsbeused,suchasTestMethodD5623forsulfurcompounds.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:71_040_50;75_160_20
【页数】:23P.;A4
【正文语种】:


下载地址: 点击此处下载
【英文标准名称】:TerminologyofMasonry
【原文标准名称】:砖石工程术语
【标准号】:ASTMC1232-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑;定义;砖石工程
【英文主题词】:definitions;construction;masonry
【摘要】:
【中国标准分类号】:P24
【国际标准分类号】:01_040_91;91_080_30
【页数】:1P;A4
【正文语种】:英语


【英文标准名称】:Methodforthederivationofminimumvaluesofproofstrengthofsteelatelevatedtemperatures;GermanversionEN10314:2002
【原文标准名称】:高温下验证钢强度最小值导出法
【标准号】:DINEN10314-2003
【标准状态】:现行
【国别】:德国
【发布日期】:2003-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:排放物;屈服强度;钢产品;数据收集;压力容器;试验;数学计算;弹性;钢;弹性极限应力;延伸;特性;最小值;定义;计算方法;非合金钢;规范(验收);高温
【英文主题词】:
【摘要】:Thedocumentspecifiesamethodforderivingtheminimumproofstrenghvaluesforsteelsatelevatedtemperatures.Thisstandarddoesnotspecifyaverificationprocedure.
【中国标准分类号】:H22
【国际标准分类号】:77_140_30
【页数】:10P;A4
【正文语种】:德语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1