【英文标准名称】:Methodsforthedeterminationofwater(KarlFischermethod)
【原文标准名称】:水的测定方法(卡尔费歇尔法)
【标准号】:BS2511-1970
【标准状态】:现行
【国别】:英国
【发布日期】:1970-04-30
【实施或试行日期】:1970-04-30
【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】:校正;水分测定;试验设备;化学分析和试验;采样设备;电路;含量测定;容量分析;尺寸;酮(脂族);卡耳费瑟方法;电解分析法
【英文主题词】:Calibration;Chemicalanalysisandtesting;Circuits;Determinationofcontent;Dimensions;Electro-analyticalmethods;KarlFischermethod;Ketones(aliphatic);Samplingequipment;Testequipment;Volumetricanalysis;Watercontentdetermination
【摘要】:PreparationandstandardizationofFischerreagent;itsapplicationtodeterminationofwaterinvarioussubstancesincludingketones;doubleandsingleburettemethodwithelectrometricendpoints;singleburettemethodwithvisualendpoint;determinationofmicrogrammequantitiesofwater.Notesonsamplingfordeterminationoflowwatercontents.
【中国标准分类号】:P40
【国际标准分类号】:71_040_40
【页数】:36P.;A4
【正文语种】:英语


【英文标准名称】:Coatedelectricalsleeving
【原文标准名称】:涂覆的电套管
【标准号】:UL1441-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005-09-16
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:装箱;涂层;电缆;软管;绝热管;隔热管;塑料;聚合材料;硅;温度承受能力;乙烯类制品;体积电阻率
【英文主题词】:Casing;Coatings;Electriccables;Hoses;Insulationpipes;Plastics;Polymericmaterials;Silicone;Temperatureloadability;Vinyle;Volumeresistivity
【摘要】:1.1TherequirementsofthisStandardapplytoGradesAandBacrylic-polymer-coated,silicone-polymer-coated,orvinyl-polymer-coatedelectricalsleevingthatconsistsofcloselywovenfabricmadefromglass(seeTable1formaterialsandratings)andintendedforuseinequipmentdesignedtobeinstalledandusedinaccordancewiththerulesoftheCanadianElectricalCode,PartI(CEC),orANSI/NFPA70,NationalElectricalCode(NEC).AproductforuseattemperaturesgreaterthanindicatedinClause1.2oradifferentpolymercoatingorfibremaybeacceptableprovidedthat(a)itmeetstheperformancetestsinthisStandard;and(b)long-termheat-agingtestsareconductedascoveredinUL746BorCAN/CSA-C22.2No0.17,usingdielectricstrengthasaprimarypropertyandflammabilityasasecondaryproperty.1.2Theserequirementsapplytocoatedelectricalsleevinghavingastandardtemperatureindexclassificationof105,130,155,180,200,220,and240鳦.1.3Theserequirementsapplytocoatedelectricalsleevingintendedforuseinconnectionwiththeinternalwiringofelectricaldevicesandapplianceslocatedindryordamplocationswhereitisnotfeasibletoemployastandardinsulatedconductor,suchasappliance-wiringmaterial,specificallyintendedforthepurpose.Coatedelectricalsleevingisintendedforinsulatingoneormoreuninsulatedorpartiallyinsulatedconductors,busbars,componentleads,orassembliesofelectricalcomponents.Coatedelectricalsleevingmaybeemployedinequipmentwhereitisnotsubjectedtorepeatedflexingorseveremechanicalstress.1.4Theserequirementsapplytooil-resistantcoatedelectricalsleevingintendedforoccasionalorintermittentcontactwithoil.1.5Theserequirementsdonotapplytounimpregnatedoruncoatedfabricsleeving,whichisgenerallynotconsideredacceptableforsole(functional)insulationbecauseoftheopeningsinherentintheweaveconstructionofthesleevingfabric.1.6Theserequirementsdonotapplytotubingextrudedwithreinforcement,extrudedelectricaltubing,ortubingintendedonlyformechanicalprotection,sincetheyarecoveredbyotherrequirements.1.7Theserequirementsdonotapplytocoatedelectricalsleevingwhenitisemployedasspliceinsulationinaninsulationsystemabove105鳦(ClassA)operation.ThisneweditionofANSI/UL1441,harmonizedwithCSA,includesthefollowingchangesinrequirements:1.TestMethodforVolumeResistivity,2.FlameTestEquipmentStandardization,3.RemovaloftheOptionofUsingASTMNo.2Oil,4.ClarificationofNumberofSamplestobetested,5.Product/PackageMarkingRequirements,6.SummaryofProductsCovered,7.TypeofAir-CirculatingOvenDefined.
【中国标准分类号】:K15
【国际标准分类号】:29_120_10
【页数】:
【正文语种】:英语