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ASTM D6623-2001 高分辨气相色谱法测定火花点火发动机燃料中单一成分的试验方法

作者:标准资料网 时间:2024-05-15 12:17:38  浏览:9927   来源:标准资料网
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【英文标准名称】:TestMethodforDeterminationofIndividualComponentsinSparkIgnitionEngineFuelsbyHighResolutionGasChromatography
【原文标准名称】:高分辨气相色谱法测定火花点火发动机燃料中单一成分的试验方法
【标准号】:ASTMD6623-2001
【标准状态】:作废
【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】:
【英文主题词】:detailedhydrocarbonanalysis;DHA;DHC;gaschromatography;hydrocarbons;IHA;opentubularcolumn;oxygenates;PIANO;PONA;gaschromatograph;gasoline;individualhydrocarbonanalysis;oxygenatedfuels;spark-ignitionenginefuels;detailedhydrocarbon
【摘要】:1.1ProceduresAandB:1.1.1TestProceduresAandBprovideforthedeterminationofindividualhydrocarboncomponentsofspark-ignitionenginefuelsandtheirmixturescontainingoxygenateblends(MTBE,ETBE,ethanol,andsoforth.)withboilingrangesupto225oC.Otherlightliquidhydrocarbonmixturestypicallyencounteredinpetroleumrefiningoperations,suchas,blendingstocks(naphthas,reformates,alkylates,andsoforth.)mayalsobeanalyzed;however,statisticaldatawasobtainedonlywithblendedspark-ignitionenginefuels.1.1.2Basedonthecooperativestudyresults,individualcomponentconcentrationsandprecisionaredeterminedintherangeof0.01toapproximately30%masspercent.Theproceduresmaybeapplicabletohigherandlowerconcentrationsfortheindividualcomponents;however,theusershallverifytheaccuracyiftheproceduresareusedforcomponentswithconcentrationsoutsidethespecifiedranges.1.1.3TestProceduresAandBalsodeterminemethanol,ethanol,t-butanolmethylt-butylether(MTBE),ethylt-butylether(ETBE),t-amyl-methyl-ether(TAME)insparkignitionenginefuelsintheconcentrationrangeof1to30mass%.However,thecooperativestudydataprovidedsufficientstatisticaldataforMTBEinProcedureBonly.1.1.4Althoughamajorityoftheindividualhydrocarbonspresentaredetermined,someco-elutionofcompoundsisencountered.Ifthistestmethodisutilizedtoestimatebulkhydrocarbongroup-typecomposition(PONA)theuserofsuchdatashouldbecautionedthatsomeerrorwillbeencounteredduetoco-elutionandalackofidentificationofallcomponentspresent.Samplescontainingsignificantamountsofolefinicornaphthenic,orboth(forexample,virginnaphthas)constituentsaboveN-octanemayreflectsignificanterrorsinPONAtypegroupings.Basedonthegasolinesamplesintheinterlaboratorycooperativestudy,theseproceduresareapplicabletoconcentrationsofolefinstolessthan25mass%.However,someinterferingcoelutionwiththeolefinsaboveC7ispossible,particularlyifblendingcomponentsortheirhigherboilingcutssuchasthosederivedfromfluidcatalyticcracking(FCC)areanalyzed,andthetotalolefincontentmaynotbeaccurate.AppendixX1ofthistestmethodcomparesresultsofthetestprocedureswithothertestmethodsforselectedcomponents,includingolefins,andseveralgrouptypesforseveralinterlaboratorycooperativestudysamples.Althoughbenzene,tolueneandseveraloxygenatesaredetermined,whendoubtfulastotheanalyticalresultsofthesecomponents,confirmatoryanalysiscanbeobtainedbyusingthespecifictestmethodslistedinthereferencesection.Totalolefinsinthesamplesmaybeobtainedorconfirmed,orboth,ifnecessary,byTestMethodD1319(volume%)orothertestmethods,suchasthosebasedonmultidimentionalPONAtypeofinstruments.1.1.5Ifwaterisorissuspectedofbeingpresent,itsconcentrationmaybedetermined,ifdesired,bytheuseofTestMethodD1744orequivalent.Othercompoundscontainingoxygen,sulfur,nitrogen,andsoforthmayalsobepresent,andmayco-elutewiththehydrocarbons.Ifdeterminationofthesespecificcompoundsisrequired,itisrecommendedthattestmethodsforthesespecificmaterialsbeused,suchasTestMethodsD4815andD5599foroxygenates,andTestMethodD5623forsulfurcompoundsorequivalent.1.2ProcedureC1.2.1TestProcedureCprovidesforthedeterminationofindividualhydrocarboncomponentsofspark-ignitionenginefuelswithboilingrangesupto225oC.Otherlightliquidhydrocarbonmixturestypicallyencounteredinpetroleumrefiningoperations,suchas,blendingstocks(naphthas,reformates,alkylates,andsoforth)mayalsobeanalyzed;however,statisticaldatawasobtainedonlywithblendedspark-ignitionenginefuels.Thetablesrel......
【中国标准分类号】:E31
【国际标准分类号】:71_040_50
【页数】:109P.;A4
【正文语种】:


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【英文标准名称】:StandardTestMethodforWaterMiscibilityofWater-SolubleSolvents
【原文标准名称】:水溶性溶剂的水可混性试验方法
【标准号】:ASTMD1722-1998(2004)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:D01.35
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;油性涂料;溶剂;芳族化合物;水;可混性;涂料;芳烃
【英文主题词】:solvents;watermiscibilitytest
【摘要】:Water-insolublematerialspresentinasolventexpectedtobecompletelywatermisciblemayinterferewithmanyusesofthesolvent.Thistestmethodprovidesameasureofthemiscibilityofwater-solublesolventswithapolarmedium-water.Italsoprovidesaqualitativeindicationofthepresenceorabsenceofwater-immisciblecontaminants.Theresultsofthistestmethodmaybeusedinassessingcompliancewithaspecification.Priortoagreeingtothistestmethodasthebasisofaspecificationrequirement,itmaybedesirablethattheinterpretationofwhatconstitutescloudinessorturbiditybeagreeduponbetweenthesupplierandthepurchaser.1.1Thistestmethodcoversthedeterminationofthemiscibilityofwater-solublesolventswithwater.Whilewrittenspecificallyfortestingacetone,isopropylalcohol(isopropanol),andmethylalcohol(methanol),themethodissuitablefortestingmostwater-solublesolvents.1.2Thistestmethodservestodetectwater-immisciblecontaminantsqualitatively;thelevelofdetectionoftheseimpuritiesvarieswidelywithboththetypeofsolventandthetypeofimpurity.1.3Thelevelofdetectionofwater-insolublematerialsdependsuponthesolventtestedandthetypeofimpurityorimpuritiespresent,thatisparaffin,olefin,aromatic,highmolecularweightalcohol,orketone,etc.Thereis,therefore,nospecificlevelofimpuritydetectedbythisprocedure.Note18212;Thistestmethodisnormallyperformedatambient,butothertemperaturesmaybeusedasspecifiedbytheconsumerandsupplier.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5Forspecifichazardinformationandguidance,consultthesupplier'sMaterialSafetyDataSheetformaterialslistedinthistestmethod.
【中国标准分类号】:G60
【国际标准分类号】:87_060_30(SOLVENTS)
【页数】:2P.;A4
【正文语种】:


【英文标准名称】:Fertilizers.Determinationofthefinenessofgrinding(dryprocedure)
【原文标准名称】:肥料.粉碎细度测定(干操作规程)
【标准号】:BSEN15928-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-10-31
【实施或试行日期】:2010-10-31
【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】:农产品;农业;分析;测定;干燥;干筛分法;干法筛析;肥料;细度;研磨细度;粒度;数学计算;方法;磷酸盐;磷;规程;抽样方法;屏蔽;筛选机;套筛;土壤改良;土壤改良物质;试样制备;测试
【英文主题词】:Agriculturalproducts;Agriculture;Analysis;Determination;Dry;Dryscreeningmethod;Drysieving;Fertilizers;Fineness;Finenessofgrinding;Grainsize;Mathematicalcalculations;Methods;Phosphates;Phosphorus;Procedures;Samplingmethods;Screening;Screeningmachines;Sieveset;Soilimprovement;Soilimprovingmaterials;Specimenpreparation;Testing
【摘要】:ThisEuropeanStandardspecifiesthedryprocedureforthedeterminationofthefinenessofgrinding,whichisapplicabletoallECtypefertilizersinwhichrequirementsaregivenoffinenessofgrindingusing0,630mmand0,160mm.
【中国标准分类号】:G20
【国际标准分类号】:65_080
【页数】:10P;A4
【正文语种】:英语



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