ASTM D 1867-1993 印制线路用镀铜热固层压板

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【英文标准名称】:StandardPracticeforSamplingAtmospherestoCollectOrganicCompoundVapors(ActivatedCharcoalTubeAdsorptionMethod)
【原文标准名称】:进行大气取样以收集有机化合物蒸气的标准实施规范(活性碳管吸附法)
【标准号】:ASTMD3686-1995(2001)e1
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D22.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:收集;工艺;蒸气;有机化合物;抽样方法;职业安全;保健;空气;分析
【英文主题词】:activatedcharcoaltube;airmonitoring;charcoaltube;organicvapors;samplingandanalysis;workplaceatmospheres
【摘要】:PromulgationsbytheFederalOccupationalSafetyandHealthAdministration(OSHA)in29CFR1910.1000designatethatcertainorganiccompoundsmustnotbepresentinworkplaceatmospheresatconcentrationsabovespecificvalues.Thispractice,whenusedinconjunctionwithPracticeD3687,willprovidetheneededaccuracyandprecisioninthedeterminationofairbornetime-weightedaverageconcentrationsofmanyoftheorganicchemicalsgivenin29CFR1910.1000,CDC-99-74-45andHSM-99-71-31.ApartiallistofchemicalsforwhichthismethodisapplicableisgiveninAnnexA1,alongwiththeirOSHApermissibleexposurelimits.FIG.1ActivatedCharcoalAdsorptionSamplingTube1.1Thispracticecoversamethodforthesamplingofatmospheresfordeterminingthepresenceofcertainorganicvaporsbymeansofadsorptiononactivatedcharcoalusingacharcoaltubeandasmallportablesamplingpumpwornbyaworker.AlistofsomeoftheorganicchemicalvaporsthatcanbesampledbythispracticeisprovidedinAnnex1.Thislistispresentedasaguideandshouldnotbeconsideredasabsoluteorcomplete.1.2Thispracticedoesnotcoveranymethodofsamplingthatrequiresspecialimpregnationofactivatedcharcoalorotheradsorptionmedia.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Aspecificsafetyprecautionisgivenin.
【中国标准分类号】:Z11
【国际标准分类号】:13_040_20
【页数】:8P.;A4
【正文语种】:


【英文标准名称】:InformationTechnology-MagneticTapeandCartridgeforInformationInterchange-Unrecorded,36-Track,Parallel,12.57mm(0.495in),1944ftpmm(49378ftpi)Group-CodedRecordingReplacesANSIX3.265-1995
【原文标准名称】:信息技术.信息互换用磁带和盒式磁带.未记录的36-磁道、平行的12.57mm(0.495英寸)、1944ftpmm(49378ftpi)群码记录代替ANSIX3.265-1995
【标准号】:ANSIINCITS265-1995
【标准状态】:现行
【国别】:美国
【发布日期】:1995-01-01
【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】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thisstandardprovidestherequirementsforanunrecordedtapecartridgetobeusedforinformationinterchangeamonginformation-processingsystems.Suchacartridgecomprisestwoparts:-acasetoprovideprotectionofthemediafromcontaminantsandhumanhandling,andtofacilitateloadingandunloadingofthecartridgebythedrive;-amagnetictapeof12.573mm(0.495in)widthheldinsidethecaseonareel.Thetapeshallbetransportedonthereelfordigitalrecordingataphysicaldensityof1944ftpmm(49378ftpi).
【中国标准分类号】:L64
【国际标准分类号】:35_220_23
【页数】:
【正文语种】:英语