ASTM D6561-2006 利用(甲氧基-2-苯基-1)哌嗪(MOPIP)测定工作场所空气中气溶胶单体和低聚二异腈酸己二酯(HDI)的标准试验方法

作者:标准资料网 时间:2024-05-12 20:49:25   浏览:9101   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforDeterminationofAerosolMonomericandOligomericHexamethyleneDiisocyanate(HDl)inAirwith(Methoxy-2-phenyl-1)Piperazine(MOPIP)intheWorkplace
【原文标准名称】:利用(甲氧基-2-苯基-1)哌嗪(MOPIP)测定工作场所空气中气溶胶单体和低聚二异腈酸己二酯(HDI)的标准试验方法
【标准号】:ASTMD6561-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:气溶胶;空气;测定;二异腈酸己二酯(HDI);哌嗪;试验方法;试验;工作地点
【英文主题词】:airmonitoring;dualfiltersamplingsystem;hexamethylenediisocyanate;high-performanceliquidchromatography;(methoxy-2-phenyl-1)piperazine;samplingandanalysis;workplaceatmospheres
【摘要】:HDIismostlyusedinthepreparationofpaints.Forthelasttenyears,theuseofisocyanatesandtheirindustrialneedshavebeeninconstantgrowth.Diisocyanatesandpolyisocyanatesareirritantstoskin,eyes,andmucousmembranes.Theyarerecognizedtocauserespiratoryallergicsensitization,asthmaticbronchitis,andacuterespiratoryintoxication(3-6).TheAmericanConferenceofGovernmentalIndustrialHygienists(ACGIH)hasadoptedathresholdlimitvalue-timeweightedaverage(TLV-TWA)of0.005ppm(V)or0.034mg/m3formonomericHDI(7).TheOccupationalSafetyx0026;HealthAdministrationoftheU.S.DepartmentofLabor(OSHA)hasnotlistedapermissibleexposurelimit(PEL)forHDI(8).DuetoitslowLODandlowrequiredvolume(15L),thistestmethodiswellsuitedformonitoringofrespiratoryandotherproblemsrelatedtodiisocyanatesandpolyisocyanates.Itsshortsamplingtimesarecompatiblewiththedurationofmanyindustrialprocesses,anditslowdetectionlimitwiththeconcentrationsoftenfoundintheworkingarea.1.1Thistestmethodcoversthedeterminationofaerosolhexamethylenediisocyanate(HDI)inairsamplescollectedfromworkplaceandambientatmospheres.Themethoddescribedinthistestmethodcollectsseparatefractions.Onefractionwillbedominatedbyvapor,andtheotherfractionwillbedominatedbyaerosol.Itisnotknownatthepresenttimewhetherthisrepresentsaperfectseparationofvaporandaerosol,andinanycase,therearenotseparateexposurestandardsforvaporandaerosol.Therefore,incomparingtheresultsforisocyanateagainstastandard,resultsfromthetwofractionsshouldbecombinedtogiveasingletotalvalue.Thereasonforsplittingthesampleintotwofractionsistoincreaseanalyticsensitivityforthevaporfractionandalsotogivethehygienistorventilationengineersomeinformationconcerningthelikelystateoftheisocyanatespecies.Theanalysesofthetwofractionsaredifferent,andareprovidedinseparate,linked,standardstoavoidconfusion.Thistestmethodisprincipallyusedtodetermineshorttermexposure(15min)ofHDIinworkplaceenvironmentsforpersonalmonitoringorinambientair.Theanalysisofthevaporfractionisperformedseparately,asdescribedinTestMethodD6562.1.2Differentialairsamplingisperformedwithasegregatingdevice.Theaerosolfractioniscollectedonapolytetrafluoroethylene(PTFE)filter.1.3Immediatelyaftersampling,thePTFEfilteristransferredintoajarcontaininga(methoxy-2phenyl-1)piperazine(MOPIP)solutionintoluene.1.4Theanalysisoftheaerosolfractionisperformedbyusingahighperformanceliquidchromatograph(HPLC)equippedwithanultraviolet(UV)detector.Therangeofapplicationofthetestmethodhasbeenvalidatedfrom0.052to1.04gofmonomericHDI/mL,whichcorresponds,basedona15Lairsample,toconcentrationsfrom0.004to0.070mg/m3ofHDI.Thoseconcentrationscorrespondtoarangeofaerosolphaseconcentrationsfrom0.5ppb(V)to10ppb(V)andcovertheestablishedthresholdlimitvalve(TLV)valueof5ppb(V).1.5ThequantificationlimitforthemonomericHDIis0.041gpermL,whichcorrespondsto0.003mg/m3fora15Lsampledairvolume.ThisvalueisequivalenttotentimesthestandarddeviationobtainedfromtenmeasurementscarriedoutonastandardsolutionincontactwiththePTFEfilterwhoseconcentrationof0.1g/mLisclosetotheexpecteddetectionlimit.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesaf......
【中国标准分类号】:Z15
【国际标准分类号】:13_040_30
【页数】:5P.;A4
【正文语种】:


下载地址: 点击此处下载
【英文标准名称】:AudiovisualSystems-DataProjectionEquipmentandLargeScreenDataDisplays-TestMethodsandPerformanceCharacteristics
【原文标准名称】:视听系统.数据投影设备和大型数据显示屏.试验方法和性能特点
【标准号】:ANSIIT7.215-1992
【标准状态】:作废
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:放映设备;音响设备;直观显示装置
【英文主题词】:projectionequipment;visualdisplayunits;audioappliances
【摘要】:Thisstandardprovidesscientificallyderivedstandardizedspecificationswhichallowsusersofdataprojectionequipmenttomakereasonableinitialcomparisonsofafewperformanceparameters.
【中国标准分类号】:M73
【国际标准分类号】:37_040_10;31_120
【页数】:24P;A4
【正文语种】:英语


【英文标准名称】:Sterilizationofmedicaldevices-Requirementsformedicaldevicestobedesignated"STERILE"-Part1:Requirementsforterminallysterilizedmedicaldevices;GermanversionEN556-1:2001,CorrigendatoDINEN556-1:2002-03;GermanversionEN556-1:2001
【原文标准名称】:医疗设施的消毒.对标有"消毒"字样医疗设施要求.第1部分:最终消毒医用的要求
【标准号】:DINEN556-1Berichtigung1-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;环氧乙烷;卫生学;作标记;医疗设施;医疗设备;医疗器械;医疗产品;医学科学;包装件;质量保证;安全;规范(验收);消毒;无菌设备;无菌;灭菌;蒸气
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiestherequirementsforaterminally-sterilizedmedicaldevicetobedesignated'STERILE'.NOTE:ForthepurposeoftheECDirectivesformedicaldevices(seeBibliography),designationofamedicaldeviceas'STERILE'isonlypermissiblewhenavalidatedsterilizationprocesshasbeenapplied.RequirementsforvalidationandroutinecontrolofprocessesforthesterilizationofmedicaldevicesarespecifiedinEN550,EN552,EN554,ENISO14160andENISO14937.
【中国标准分类号】:C47
【国际标准分类号】:11_080_01
【页数】:2P;A4
【正文语种】:德语