标准资料网-标准资料免费资源平台

【英文标准名称】:StandardGuideforSelectionofMethodsforActive,IntegrativeSamplingofVolatileOrganicCompoundsinAir
【原文标准名称】:空气中挥发性有机化合物的主动、一体化取样方法的选择的标准指南
【标准号】:ASTMD6345-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D22.05
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:canisters;polarity;reactivity;sampling;semivolatileorganiccompounds;sorbents;SVOC;VOC;volatileorganiccompounds;volatility;VVOC;wholeair;Volatility;Wholeairsampling;Activeintegrativesampling;Polarity;Reactivity;Sampling
【摘要】:ThisguideprovidesabroadperspectiveontechniquesthatcanbeusedbyenvironmentalmanagersforselectingVOCairmonitoringmethods.ItsummarizesvariousmethodsformeasurementofVOCinairderivedfromavarietyofsourcesandexperiencesandincorporatesthemintocondensedguidelines.ThisguideprovidesacommonbasisforselectingmethodsforVOCmeasurementaswelladiscussionofthelimitationsoftypicalmethods.Thisguideshouldbeusedduringtheplanningstagesofanairmonitoringprogramalongwithotherapplicableguidesandpractices(forexample,D1357)toselectASTMorotherappropriatemethods.1.1Thisguideprovidesassistanceintheselectionofactiveintegrativesamplingmethods,inwhichthevolatileorganicanalytesarecollectedfromairoveraperiodoftimebydrawingtheairintothesamplingdevice,withsubsequentrecoveryforanalysis.Whereavailable,specificASTMtestmethodsandpracticesarereferenced.1.2Guidanceisprovidedfortheselectionofactivesamplingmethodsbasedeitheroncollectionofanuntreatedairsample(wholeairsamples)orselectivesamplingusingsorbentconcentrationtechniquesthatselectivelyconcentratecomponentsinair.Advantagesanddisadvantagesofspecificcollectionvehiclesarepresented.1.3Thisguidedoesnotcovertheuseofcryogenicallycooledfieldsamplingdevicesusedinsomeautomatedanalysissystems.Detailedinstructionsforcryogenicrecoveryofcompoundscapturedaswholeairsamplesorthermallydesorbedfromsorbentsaretypicallycoveredinstandardmethodsforsampleanalysisandarebeyondthescopeofthisguide.1.4Boththermalandsolventdesorptiontechniquesforsamplerecoveryarediscussed.1.5Organiccompoundsareclassifiedonthebasisofvaporpressureasveryvolatile,volatile,semivolatileandnonvolatile.Physicalcharacteristicsofmanyvolatileorganiccompounds(VOCs)areprovidedtoaidinselectionofsamplingtechniquesforVOCmeasurement.Semivolatileandnonvolatileorganiccompoundsaredefinedintheguidetohelpguideusersavoidmisidentifyingcompoundsthatarenotcoveredinthisguide.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C51
【国际标准分类号】:13_040_99
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:Opticalfibrecables-Duct,buriedandaerialcables-Sectionalspecification
【原文标准名称】:光缆.第3部分:电信电缆.分规范
【标准号】:BSEN60794-3-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-08-15
【实施或试行日期】:1998-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:22P;A4
【正文语种】:英语