【英文标准名称】:StandardTestMethodforDeterminationoftheRedDyeConcentrationandEstimationofSayboltColorofAviationTurbineFuelsandKerosineUsingaPortableVisibleSpectrophotometer
【原文标准名称】:用便携式可视分光光度仪评估航空涡轮机燃料和煤油的赛波特色彩和测定红色染料的浓度的标准试验方法
【标准号】:ASTMD7058-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D02.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aviationturbinefuel;kerosine;reddyeconcentration;Sayboltcolor;visiblespectrometry;Aviationturbinefuels;Kerosine;Reddyecombination;Sayboltcolor;Visiblespectrophotometry
【摘要】:IntheUnitedStates,highsulfurcontentdistillateproductsanddieselfuelusedforoff-roadpurposes,otherthanaviationturbinefuel,arerequiredtocontainreddye.Asimilardyerequirementexistsfortax-freedistillates.Contaminationofaviationturbinefuelbysmallquantitiesofreddyehasoccurred.Suchcontaminationpresentsmajorproblemsbecauseairframeandenginemanufacturershaveseverelylimitedoperationonaviationturbinefuelcontainingreddye.Analternatemethodologyforthedeterminationofthepresenceofreddyeinaviationturbinefuelistheobservationofthecolorofthefuelwhenplacedinawhitebucket.ThepresenceofthedyecanbemaskedinaviationturbinefuelshavingdarkSayboltcolor.Thistestmethodprovidesanobjectivemeansofquicklymeasuringreddyeconcentration,buttoavoidconfusionwithtracelevelsofothermaterialswhichwillbeindicatedbytheinstrument,themethodrequiresthatinstrumentreadingsbelow0.026mg/LbereportedasNoDyePresent.Thecolorofthebasefuelismaskedbythepresenceofthereddye.Thistestmethodprovidesameansofestimatingthebasecolorofaviationturbinefuelandkerosineinthepresenceofreddye.1.1ThistestmethodcoversthedeterminationofthereddyeconcentrationofaviationturbinefuelandkerosineandtheestimationoftheSayboltcolorofundyedandreddyed(x003C;0.750mg/LofSolventRed26equivalent)aviationturbinefuelandkerosine.ThetestmethodisappropriateforusewithaviationturbinefuelandkerosinedescribedinSpecificationsD1655andD3699.Reddyeconcentrationsaredeterminedatlevelsequivalentto0.026to0.750mg/LofSolventRed26insampleswithSayboltcolorsrangingfrom+30tox2013;16.TheSayboltcolorofthebasefuelforsamplesdyedredwithconcentrationlevelsequivalentto0.026to0.750mg/LofSolventRed26isestimatedintheSayboltColorrange+30tox2013;16.TheSayboltColorforundyedsamplesisestimatedintheSayboltcolorrangefrom+30tox2013;16.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:TestMethodforLowFrequencyandSpuriousDisturbances
【原文标准名称】:低频与伪干扰的试验方法
【标准号】:ANSI/SCTE82-2007
【标准状态】:现行
【国别】:美国
【发布日期】:
【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】:SCTE
【标准类型】:()
【标准水平】:()
【中文主题词】:宽带;电缆通信;电缆;扰动;发射;低频;乱真信号;电源;通信;测试
【英文主题词】:Broadband;Cablecommunication;Cables;Disturbances;Emission;Lowfrequencies;Noise(spurioussignals);Powersupply;Telecommunications;Testing
【摘要】:TodefineandmeasurelowfrequencyandspuriousdisturbancescausedbyswitchedmodepowersuppliesorotheractivedevicesinbroadbandCableTelecommunicationsequipment.
【中国标准分类号】:M04
【国际标准分类号】:33_030
【页数】:
【正文语种】:英语