【英文标准名称】:SpecificationforCrosslinkedPolyethyleneInsulationforWireandCableRated0to2000V
【原文标准名称】:额定电压达到2000伏的电线和电缆交联聚乙烯绝缘材料规范(10.02)
【标准号】:ANSI/ASTMD2655-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:聚乙烯;绝缘;金属线;电缆
【英文主题词】:Cables;Cross-linked;Electricalengineering;Electricalinsulation;Electricaltesting;Insulations;Polyethylene;Wires
【摘要】:Thisspecificationcoversacrosslinkedpolyethyleneinsulationforelectricalwiresandcablesinconductorsizes14AWG[2.08mm]andlarger.Thebasepolymerofthisinsulationconsistssubstantiallyofpolyethyleneorapolyethylenecopolymer.Thistypeofinsulationissuitableforcontinuoususeonpowercablesinwetanddrylocations,forvoltageratingsnotexceeding2000Vandatconductortemperaturesnotexceeding90Cfornormaloperation.Forcopperconductors,theinsulationmaybeappliedovertheuncoatedmetal.Materialscoveredbythisspecificationarenotsunlightandweatherresistantunlesstheyarecarbonblackpigmentedorcontainanadditivesystemdesignedforthisprotection.Inmanyinstancestheinsulationcannotbetestedunlessithasbeenformedaroundaconductor.Therefore,testsaredoneoninsulatedwireinthisstandardsolelytodeterminetherelevantpropertyoftheinsulationandnottotesttheconductororcompletedcable.Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetarethestandard,whilethoseinparenthesesareforinformationonly.
【中国标准分类号】:K13
【国际标准分类号】:29_035_20
【页数】:
【正文语种】:英语


【英文标准名称】:StandardPracticeforSamplingofProcessVentsWithaPortableGasChromatograph
【原文标准名称】:用便携气相色谱法对漏气孔取样的标准操作规程
【标准号】:ASTMD6060-1996(2001)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D22.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:emissions;emissionmonitoring;gaschromatography;samplingandanalysis
【摘要】:Thispracticehasbeenwidelyusedtoobtainmassbalancedataforprocessscrubbers,todeterminetheefficiencyofVOCemissioncontrolequipment,andtoobtaindatatosupportairpermitapplications.ThispracticewillhaveapplicationstotheMACTRuleandmayhaveapplicationstoComplianceAssuranceMonitoringverificationrequiredbythe1990CleanAirActTitleIIIAmendments.Thispractice,whenusedwithTestMethodsD3464orD3154oron-lineprocessflowmeterdata,canbeusedtocalculatedetailedemissionrateprofilesforVOCsfromprocessvents.Thispracticeprovidesnearlyrealtimeresultsthatcandetectprocesschangesorupsetsthatmaybemissedusingconventionalsorbenttubeorintegratedgassamplingbagsampling.1.1Thispracticedescribesamethodfordirectsamplingandanalysisofprocessventsforvolatileorganiccompound(VOC)vaporsandpermanentgasesusingaportablegaschromatograph(GC).1.2Thispracticeisapplicabletoanalysisofpermanentgasessuchasoxygen(O2),carbondioxide(CO2)andnitrogen(N2),aswellasvaporsfromorganiccompoundswithboilingpointsupto125176C.1.3Thedetectionlimitsobtainedwilldependontheportablegaschromatographanddetectorused.Detectorsavailableincludethermalconductivity,photoionization,argonionization,andelectroncapture.Forinstrumentsequippedwiththermalconductivitydetectors,typicaldetectionlimitsareonetotwopartspermillionbyvolume(ppm(v))withanapplicableconcentrationrangetohighpercentbyvolumelevels.Forinstrumentswithphotoionizationdetectorsdetectionlimitofonetotenpartsperbillionbyvolume(ppb(v))areobtainablewithaconcentrationrangefrom1000to2000ppm(v).Theargonionizationdetectorhasanachievabledetectionlimitofone(ppb(v)),whiletheelectroncapturedetectorhasanachievabledetectionlimitofonepartpertrillionbyvolume(ppt(v))forchlorinatedcompounds.1.4TheapplicabilityofthispracticeshouldbeevaluatedforeachVOCbydeterminingstability,reproducibility,andlinearity.1.5TheappropriateconcentrationrangemustalsobedeterminedforeachVOC,astherangewilldependonthevaporpressureoftheparticularVOC.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.RefertoSection8onHazardsforadditionalsafetyprecautions.
【中国标准分类号】:Z04
【国际标准分类号】:71_040_50
【页数】:6P.;A4
【正文语种】: