【英文标准名称】:TestMethodforDeterminationofIndividualComponentsinSparkIgnitionEngineFuelsby50MeterCapillaryHighResolutionGasChromatography
【原文标准名称】:采用50米毛细管高分辨气相色谱法测定火花点火式发动机燃油中单个元素的方法
【标准号】:ANSI/ASTMD6733-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:机动车燃料;试验;材料试验;气相色谱法
【英文主题词】:Analyticalmethods;Automotivefuels;Capillary;Components;Determination;Fuels;Gaschromatography;Gases;Ignition;Individual;Liquidfuels;Materialstesting;Meterprovers;Physico-chemicalmethods;Resolution;Sparkignitions;Spark-ignitionengines;Testing
【摘要】:Thistestmethodcoversthedeterminationofindividualhydrocarboncomponentsofspark-ignitionenginefuelswithboilingrangesupto225?C.Otherlightliquidhydrocarbonmixturestypicallyencounteredinpetroleumrefiningoperations,suchas,blendingstocks(naphthas,reformates,alkylates,andsoforth)mayalsobeanalyzed;however,statisticaldatawasobtainedonlywithblendedspark-ignitionenginefuels.Thetablesinenumeratethecomponentsreported.Componentconcentrationsaredeterminedintherangefrom0.10to15mass%.Theproceduremaybeapplicabletohigherandlowerconcentrationsfortheindividualcomponents;however,theusermustverifytheaccuracyiftheproceduresareusedforcomponentswithconcentrationsoutsidethespecifiedranges.Thistestmethodisapplicablealsotospark-ignitionenginefuelblendscontainingoxygenatedcomponents.However,inthiscase,theoxygenatecontentmustbedeterminedbyTestMethodsD5599orD4815.Benzeneco-eluteswith1-methylcyclopentene.BenzenecontentmustbedeterminedbyTestMethodD3606orD5580.Tolueneco-eluteswith2,3,3-trimethylpentane.ToluenecontentmustbedeterminedbyTestMethodD3606orD5580.Althoughamajorityoftheindividualhydrocarbonspresentaredetermined,someco-elutionofcompoundsisencountered.Ifthisprocedureisutilizedtoestimatebulkhydrocarbongroup-typecomposition(PONA)theuserofsuchdatashouldbecautionedthaterrormaybeencounteredduetoco-elutionandalackofidentificationofallcomponentspresent.Samplescontainingsignificantamountsofnaphthenic(forexample,virginnaphthas)constituentsaboven-octanemayreflectsignificanterrorsinPONAtypegroupings.Basedontheinterlaboratorycooperativestudy,thisprocedureisapplicabletosampleshavingconcentrationsofolefinslessthan20mass%.However,significantinterferingcoelutionwiththeolefinsaboveC7ispossible,particularlyifblendingcomponentsortheirhigherboilingcutssuchasthosederivedfromfluidcatalyticcracking(FCC)areanalyzed,andthetotalolefincontentmaynotbeaccurate.Manyoftheolefinsinsparkignitionfuelsareataconcentrationbelow0.10%;theyarenotreportedbythistestmethodandmaybiasthetotalolefinresultslow.Totalolefinsinthesamplesmaybeobtainedorconfirmed,orboth,byTestMethodD1319(volume%)orothertestmethods,suchasthosebasedonmultidimensionalPONAtypeofinstruments.Ifwaterisorissuspectedofbeingpresent,itsconcentrationmaybedetermined,ifdesired,bytheuseofTestMethodD1744.Othercompoundscontainingsulfur,nitrogen,andsoforth,mayalsobepresent,andmayco-elutewiththehydrocarbons.Ifdeterminationofthesespecificcompoundsisrequired,itisrecommendedthattestmethodsforthesespecificmaterialsbeused,suchasTestMethodD5623forsulfurcompounds.ThevaluesstatedinSIunitsaretoberegardedasthestandard.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】:
【正文语种】:英语


【英文标准名称】:StandardTestMethodsforEmulsifiedBitumensUsedasProtectiveCoatings
【原文标准名称】:用作防护覆层的乳化沥青的标准试验方法
【标准号】:ASTMD2939-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D08.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;沥青制品;试验;防护覆层;乳剂;防水材料;施工材料;覆层;沥青
【英文主题词】:ashpalt;bitumen;coaltar;coating;emulsified
【摘要】:Thesetestsareusefulinevaluatingandcharacterizingcoaltaremulsionandotherbituminousemulsionstoestablishuniformityofshipments.1.1Thesetestmethodscoverproceduresforsamplingandtestingemulsifiedbitumensusedinrelativelythickfilmsasprotectivecoatingsformetals,built-uproofs,andbituminouspavements.1.2Thetestmethodsappearinthefollowingorder:TestProceduresforAllCoatingsSectionSampling4Uniformity5ResistancetoFreezing6WeightperGallon7ResiduebyEvaporation8Volatiles9AshContent10WaterContent11FlashPoint12DryingTime13ResistancetoHeat14ResistancetoWater15Flexibility16Testsusedprimarilyforcoatingsusedovermetalsandbuilt-uproofsBrush-ApplicationBehavior17Spray-ApplicationBehavior18WetFlow19DirectFlameTest20SolubilityofResidueinTrichloroethylene21TestsusedprimarilyforcoatingsusedoverbituminouspavementsWetFilmContinuity22ResistancetoVolatilization23SolubilityofResidueinCarbonDisulfide24ResistancetoKerosine25ResistancetoImpact26ResistancetoImpactAfterAcceleratedWeathering27Aggregate(Sand)ContentinBituminousEmulsions28PrecisionBias29