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【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】:Householdandsimilarelectricalappliances-Safety-Part2-10:Particularrequirementsforfloortreatmentmachinesandwetscrubbingmachines
【原文标准名称】:家用及类似电气设备.安全性.第2-10部分:地板护理设备和湿式除尘设备的详细要求
【标准号】:BSEN60335-2-10-2003+A1-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2003-08-27
【实施或试行日期】:2003-08-27
【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】:定义;定义(术语);设计;家庭安全;耐久性;电气器具;家用电器;家用电器具;(电网)电源;电气设备;日用电器;电气工程;电气安全性;防火安全性;地板卫生设备;地板处理机;楼板;家用设备;家用;初始的;机械安全性;抗湿;持久性;保护(装置);防电击;安全性;安全性要求;规范(验收);稳定性;水吸清洁装置;湿式清洁机;湿式洗涤机
【英文主题词】:Definition;Definitions;Design;Domesticsafety;Durability;Electricappliances;Electrichouseholdappliance;Electrichouseholdappliances;Electricmains;Electricalappliances;Electricalengineering;Electricalsafety;Firesafety;Floorcleaningequipment;Floortreatmentmachines;Floors;Householdequipment;Householduse;Inscription;Mechanicalsafety;Moistureresistance;Permanency;Protection;Protectionagainstelectricshocks;Safety;Safetyrequirements;Specification(approval);Stability;Water-suctioncleaningequipment;Wetcleaningmachines;Wetscrubbingmachines
【摘要】:ThisclauseofPart1isreplacedbythefollowing.ThisInternationalStandarddealswiththesafetyofelectricfloortreatmentandwetscrubbingmachinesintendedforhouseholdandsimilarpurposes,theirratedvoltagebeingnotmorethan250V.NOTE101Examplesoffloortreatmentmachinesare–floorbuffers;–floorpolishers;–floorwaxers.NOTE102Examplesofwetscrubbingmachinesare–floorscrubbers;–rugshampooers;–upholsteryshampooers.Appliancesnotintendedfornormalhouseholdusebutthatneverthelessmaybeasourceofdangertothepublic,suchasappliancesintendedtobeusedbylaymeninshops,inlightindustryandonfarms,arewithinthescopeofthisstandard.NOTE103Examplesofsuchappliancesareappliancesintendedtobeusedinhotels,offices,schools,hospitalsandsimilarpremises.Asfarasispracticable,thisstandarddealswiththecommonhazardspresentedbyappliancesthatareencounteredbyallpersonsinandaroundthehome.However,ingeneral,itdoesnottakeintoaccountpersons(includingchildren)whose?physical,sensoryormentalcapabilities;or?lackofexperienceandknowledgepreventsthemfromusingtheappliancesafelywithoutsupervisionorinstruction;–childrenplayingwiththeappliance.NOTE104Attentionisdrawntothefactthat–forappliancesintendedtobeusedinvehiclesoronboardshipsoraircraft,additionalrequirementsmaybenecessary;–inmanycountriesadditionalrequirementsarespecifiedbythenationalhealthauthorities,thenationalauthoritiesresponsiblefortheprotectionoflabourandsimilarauthorities.NOTE105Thisstandarddoesnotapplyto–vacuumcleanersandwatersuctioncleaningappliances(IEC60335-2-2);–appliancesintendedforindustrialpurposes;–appliancesintendedtobeusedinlocationswherespecialconditionsprevail,suchasthepresenceofacorrosiveorexplosiveatmosphere(dust,vapour,orgas);–floorsandingmachines.
【中国标准分类号】:Y62
【国际标准分类号】:97_080;13_120
【页数】:16P.;A4
【正文语种】:英语