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ASTM D5134-1998(2003) 用毛细管气相色谱法详细分析石脑油穿透n壬烷的标准试验方法

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【英文标准名称】:StandardTestMethodforDetailedAnalysisofPetroleumNaphthasthroughn-NonanebyCapillaryGasChromatography
【原文标准名称】:用毛细管气相色谱法详细分析石脑油穿透n壬烷的标准试验方法
【标准号】:ASTMD5134-1998(2003)
【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(ASTM)
【起草单位】:D02.04.0L
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:壬烷;化学分析和试验;气相色谱法;石油醚;试验方法
【英文主题词】:alkylate;capillarygaschromatography;hydrocarboncomposition;petroleumnaphtha;reformate
【摘要】:Aknowledgeofthehydrocarboncomponentscomprisingapetroleumnaphtha,reformate,oralkylateisusefulinvaluationofcrudeoils,inalkylationandreformingprocesscontrol,inproductqualityassessment,andforregulatorypurposes.Detailedhydrocarboncompositionisalsousedasinputinthemathematicalmodelingofrefineryprocesses.Separationofnaphthacomponentsbytheproceduredescribedinthistestmethodcanresultinsomepeaksthatrepresentcoelutingcompounds.Thistestmethodcannotattributerelativeconcentrationstothecoelutants.Intheabsenceofsupportinginformation,useoftheresultsofthistestmethodforpurposeswhichrequiresuchattributionisnotrecommended.1.1ThistestmethodcoversthedeterminationofhydrocarboncomponentsofpetroleumnaphthasasenumeratedinTable1.Componentselutingaftern-nonane(bp150.8176;C)aredeterminedasasinglegroup.1.2Thistestmethodisapplicabletoolefin-free(60;2%olefinsbyliquidvolume)liquidhydrocarbonmixturesincludingvirginnaphthas,reformates,andalkylates.OlefincontentcanbedeterminedbyTestMethodD1319.Thehydrocarbonmixturemusthavea98%pointof250176;CorlessasdeterminedbyTestMethodD3710.1.3Componentsthatarepresentatthe0.05mass%levelorgreatercanbedetermined.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificwarningstatementsaregiveninSection7.
【中国标准分类号】:E30
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:


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【英文标准名称】:Plastics-Determinationofapparentdensityofmaterialthatcanbepouredfromaspecifiedfunnel
【原文标准名称】:塑料.可由专用漏斗注入的材料的表观密度测定
【标准号】:BSENISO60-2000
【标准状态】:现行
【国别】:英国
【发布日期】:1978-03-31
【实施或试行日期】:1978-03-31
【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】:粒状材料;塑料;设计;模制;塑料和橡胶技术;尺寸;密度测量;试验设备;高聚物
【英文主题词】:Bulkdensity;Definition;Definitions;Density;Densitymeasurement;Determination;Determinationprocedures;Funnels(laboratory);Inspection;Mouldingmaterials;Mouldings(shapedsection);Physicaltesting;Plastics;Pourtest;Testequipment;Testing;Tests
【摘要】:1ThisInternationalStandardspecifiestwoempiricalmethodsforthequantitativedeterminationofthelossofmassfromaplasticmaterialunderdefinedconditionsoftimeandtemperature,inthepresenceofactivatedcarbon.2Thesemethodsareused,inparticular,forthequantitativedeterminationofthelossonheatingofplasticizersfromplasticizedplasticmaterialsinwhichcaseitisgenerallyassumedthatnosignificantamountsofothervolatilematerialsarepresent.3Theseareempiricaltestmethods,onlysuitableforaratherrapidcomparisonofthelossesofplasticizersor,ingeneral,ofvolatilecompounds,fromdifferentplastics.4Theymayalsobeemployedforthecomparisonofdifferenttypesofplasticizers;inthiscasestandardcompoundsshouldbeprepared,onthebasisofawellcharacterizedresin,withknownratiosofresintoplasticizer.NOTE—Thesecomparisonsarepossibleonlyifthetestspecimensareofthesamethickness.Ifitcanbeassumedthat,afterrecon-ditioning,themoisturecontentoftheexposedspecimensisequaltothatobtainingaftertheoriginalconditioning,theeffectofmoisturemaybeignored.5Twomethodsarespecified:MethodA:thetestspecimensareindirectcontactwiththecarbon;thismethodisparticularlyusefulformaterialswhichhavetobetestedatrelativelylowtemperaturesbecausetheyflowathighertemperatures.MethodB:thetestspecimensareplacedinwirecageswhichpreventdirectcontactbetweenthetestspecimensandthecarbon.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:8P.;A4
【正文语种】:英语


【英文标准名称】:Aerospaceseries;controlcableassemblies;technicalspecification
【原文标准名称】:航空航天系列.飞机操纵钢索组件.技术规范
【标准号】:DINEN2348-1989
【标准状态】:现行
【国别】:德国
【发布日期】:1989-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:软轴传动;交货条件;作标记;包装件;绳索;质量保证;试验;航空运输;规范(审批)
【英文主题词】:Airtransport;Aircraftcontrol;Aircrafts;Control;Deliveryconditions;Flexibleshaftdrives;Marking;Packages;Qualityassurance;Ropes;Spacetransport;Specification(approval);Testing
【摘要】:ThestandardspecifiesthecharacteristicsofcontrolcableassembliesinaccordancewithEN2641foraeronauticalapplication.
【中国标准分类号】:V37
【国际标准分类号】:49_035
【页数】:11P.;A4
【正文语种】:德语