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ASTM D4815-2009 气相色谱分析法测定汽油中甲基叔丁基醚(MTBE),二乙基丁基醚(ETBE),甲苯磺酰-精氨酸甲酯(TAME),二异丙酯(DIPE)叔戌酯和C1-C4醇的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminationofMTBE,ETBE,TAME,DIPE,tertiary-AmylAlcoholandC1toC4AlcoholsinGasolinebyGasChromatography
【原文标准名称】:气相色谱分析法测定汽油中甲基叔丁基醚(MTBE),二乙基丁基醚(ETBE),甲苯磺酰-精氨酸甲酯(TAME),二异丙酯(DIPE)叔戌酯和C1-C4醇的标准试验方法
【标准号】:ASTMD4815-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:alcohols;DIPE(disopropylether);ETBE(ethyltert-butylether);ethers;gaschromatography;gasoline;MTBE(methyltert-butylether);oxygenates;TAME(tert-amylmethylethe
【摘要】:Ethers,alcohols,andotheroxygenatescanbeaddedtogasolinetoincreaseoctanenumberandtoreduceemissions.Typeandconcentrationofvariousoxygenatesarespecifiedandregulatedtoensureacceptablecommercialgasolinequality.Drivability,vaporpressure,phaseseparation,exhaust,andevaporativeemissionsaresomeoftheconcernsassociatedwithoxygenatedfuels.Thistestmethodisapplicabletobothqualitycontrolintheproductionofgasolineandforthedeterminationofdeliberateorextraneousoxygenateadditionsorcontamination.1.1Thistestmethodcoversthedeterminationofethersandalcoholsingasolinesbygaschromatography.Specificcompoundsdeterminedaremethyltert-butylether(MTBE),ethyltert-butylether(ETBE),tert-amylmethylether(TAME),diisopropylether(DIPE),methanol,ethanol,isopropanol,n-propanol,isobutanol,tert-butanol,sec-butanol,n-butanol,andtert-pentanol(tert-amylalcohol).1.2Individualethersaredeterminedfrom0.20to20.0mass%.Individualalcoholsaredeterminedfrom0.20to12.0mass%.Equationsusedtoconverttomass%oxygenandtovolume%ofindividualcompoundsareprovided.Atconcentrationsx003C;0.20mass%,itispossiblethathydrocarbonsmayinterferewithseveralethersandalcohols.Thereportinglimitof0.20mass%wastestedforgasolinescontainingamaximumof10volume%olefins.Itmaybepossiblethatforgasolinescontaining>10volume%olefins,theinterferencemaybe>0.20mass%.AnnexA1givesachromatogramshowingtheinterferenceobservedwithagasolinecontaining10volume%olefins.1.3Alcohol-basedfuels,suchasM-85andE-85,MTBEproduct,ethanolproduct,anddenaturedalcohol,arespecificallyexcludedfromthistestmethod.ThemethanolcontentofM-85fuelisconsideredbeyondtheoperatingrangeofthesystem.1.4Benzene,whiledetected,cannotbequantifiedusingthistestmethodandmustbeanalyzedbyalternatemethodology(seeTestMethodD3606).1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Alternateunits,incommonusage,arealsoprovidedtoincreaseclarityandaidtheusersofthistestmethod.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:10P.;A4
【正文语种】:英语


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【英文标准名称】:Foodprocessingmachinery-Automaticdividers-Safetyandhygienerequirements.
【原文标准名称】:食品加工机械.自动分料机.安全和卫生要求.
【标准号】:NFU65-054-2010
【标准状态】:现行
【国别】:法国
【发布日期】:2010-11-01
【实施或试行日期】:2010-11-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Design;Ergonomics;Fermentation;Fermentationintermediateprovers;Foodindustry;Foodstuff;Foodstuffmachine;Hazards;Hygiene;Interrupters(circuit-breakers);Machines;Maintenance;Marking;Noisemeasurements;Occupationalsafety;Pastes(food);Processingmachines;Protectionagainstelectricshocks;Provisionindustry;Safetyofmachinery;Safetyrequirements;Specification(approval);Workplacesafety
【摘要】:
【中国标准分类号】:X99
【国际标准分类号】:67_260
【页数】:46P;A4
【正文语种】:其他


【英文标准名称】:Beta,Xandgammaradiationdoseequivalentanddoseequivalentratemetersforuseinradiationprotection
【原文标准名称】:辐射防护中用的β、X和γ射线剂量当量和剂量当量率表
【标准号】:IEC60846-1989
【标准状态】:作废
【国别】:国际
【发布日期】:1989-06
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC45B
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:F84
【国际标准分类号】:17_240
【页数】:77P;A4
【正文语种】:英语