【英文标准名称】:StandardTestMethodforAnalysisofPolychlorinatedBiphenylsinInsulatingLiquidsbyGasChromatography
【原文标准名称】:气相色谱法分析无机绝缘油中多氯联苯含量的标准试验方法
【标准号】:ASTMD4059-2000(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【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】:D27.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:gaschromatography;PCBs;polychlorinatedbiphenyls;transformerinsulatingliquids;transformermineraloils;transformersiliconeliquids;Electricalinsulatingliquids;Electricalinsulatingoils;Gaschromatography(GC)--insulatingmaterials/appli
【摘要】:UnitedStatesgovernmentalregulationsmandatethatelectricalapparatusandelectricalinsulatingfluidscontainingPCBbehandledanddisposedofthroughspecificprocedures.TheproceduretobeusedforaparticularapparatusorquantityofinsulatingfluidisdeterminedbythePCBcontentofthefluid.Theresultsofthisanalyticaltechniquecanbeusefulinselectingtheappropriatehandlinganddisposalprocedure.Quantificationinthistechniquerequiresapeak-by-peakcomparisonofthechromatogramofanunknownspecimenwiththatofstandardAroclortestspecimensobtainedunderidenticalconditions.TheamountofPCBproducingeachpeakinthestandardchromatogramshallbeknownindependently.ThetechniquedescribedisbasedondataforstandardchromatogramsofAroclors1242,1254,and1260obtainedusingspecificchromatographiccolumnpackingmaterialsandoperatingconditions.RelevantchromatogramsarereproducedinFig.1,Fig.2,andFig.3,forisothermalpackedcolumnsandinFigs.X4.1throughX4.3)fortemperatureprogrammedmega-borecapillarycolumns.Eachpeakisidentifiedbyitsretentiontimerelativetothatofastandard.ThetypesandamountsofPCBassociatedwitheachpeakhavebeendeterminedbymassspectroscopyandaregiveninTable1,Table2,andTable3.Otherchromatographicoperatingconditions,andinparticular,othercolumnpackingmaterials,maygivedifferentseparations.Thedatagiveninthetablesshouldnotbeusedifchromatogramsofthestandardsdiffersignificantlyfromthoseshowninthefigures.Thepeaksinsuchstandardchromatogramsshallbeindependentlyidentifiedandquantified.DifferentisomersofPCBwiththesamenumberofchlorinesubstituentscancausesubstantiallydifferentresponsesfromECdetectors.MixturesofPCBcontainingthesameamountofPCB,butwithadifferentratioofisomers,cangivequitedifferentchromatograms.ThistechniqueiseffectiveonlywhenthestandardPCBmixturesandthosefoundintheunknowntestspecimenarecloselyrelated.Aroclors1242,1254,and1260areadequatestandardsbecausetheyhavebeenfoundtobethemostcommonPCBcontaminantinelectricalinsulatingoils.1.1Thistestmethoddescribesaquantitativedeterminationoftheconcentrationofpolychlorinatedbiphenyls(PCBs)inelectricalinsulatingliquidsbygaschromatography.ItalsoappliestothedeterminationofPCBpresentinmixturesknownasaskarels,usedaselectricalinsulatingliquids.1.2ThePCBmixturesknownasAroclorswereusedintheformulationofthePCB-containingaskarelsmanufacturedintheUnitedStates.ThistestmethodmaybeappliedtothedeterminationofPCBsininsulatingliquidscontaminatedbyeitherindividualAroclorsormixturesofAroclors.ThistechniquemaynotbeapplicabletothedeterminationofPCBsfromothersourcesofcontamination.1.3TheprecisionandbiasofthistestmethodhavebeenestablishedonlyforPCBconcentrationsinelectricalinsulatingmineraloilsandsilicones.Theuseofthistestmethodhasnotbeendemonstratedforallinsulatingfluids.Someinsulatingliquids,suchashalogenatedhydrocarbons,interferewiththedetectionofPCBsandcannotbetestedwithoutpretreatment.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E38
【国际标准分类号】:29_040_10
【页数】:11P.;A4
【正文语种】:英语


【英文标准名称】:SummaryofChanges
【原文标准名称】:更换摘要
【标准号】:ASMESECVIA2003-2003
【标准状态】:现行
【国别】:美国
【发布日期】:2003-07-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:BoilerandPressureVessel.SummaryofChanges
【中国标准分类号】:J98
【国际标准分类号】:
【页数】:
【正文语种】:英语