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Product Code:SAE AMST6845
Title:Tubing, Steel, Corrosion-Resistant (S30400), Aerospace Vehicle Hydraulic System 1/8 Hard Condition
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification presents requirements for thin-walled (inside diameter greater than four times the wall thickness and outside diameter 1/4 inch and larger) corrosion-resistant steel tubing in approximately the 1/8 hard condition, of special quality, suitable for use in high-pressure hydraulic systems.【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活动性的集中的取样方法选择的标准指南
【标准号】:ASTMD6345-1998(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:半挥发的;取样;挥发性;极性;金属罐;活性;有机化合物;吸着剂;总空气;挥发有机化合物
【英文主题词】:canisters;polarity;reactivity;sampling;semivolatile;organiccompounds;sorbents;SVOC;VOC;volatileorganiccompounds;volatility;VVOC;wholeair
【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.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_99
【页数】:9P.;A4
【正文语种】: