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DIN 58753-1-1972 光学用细油灰.分类和要求

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【英文标准名称】:Opticalcements;classificationandrequirements
【原文标准名称】:光学用细油灰.分类和要求
【标准号】:DIN58753-1-1972
【标准状态】:作废
【国别】:德国
【发布日期】:1972-09
【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】:腻子;材料强度;特性;水泥;胶粘剂;规范(审批);光学
【英文主题词】:adhesives;cements;optics;strengthofmaterials;putty;specification(approval);properties
【摘要】:
【中国标准分类号】:J43
【国际标准分类号】:37_020
【页数】:4P;A4
【正文语种】:德语


基本信息
标准名称:煤矿用岩石电钻
中标分类: 矿业 >> 矿山机械设备 >> 煤矿专用设备器材
替代情况:替代MT 52-80;被MT 52-2009代替
发布部门:中华人民共和国煤炭工业部
发布日期:1996-04-18
实施日期:1996-10-01
首发日期:
作废日期:2010-07-01
提出单位:煤炭工业部煤矿专用设备标准化技术委员会
归口单位:煤炭工业部煤矿专用设备标准化技术委员会井巷设备分会
起草单位:煤炭科学研究总院上海分院、洛阳风动工具厂
起草人:温绍基、郎恩至
出版社:中国煤炭工业出版社
出版日期:1996-10-01
页数:7页
适用范围

本标准规定了KHYD 40型和KHYD 75型煤矿用岩石电钻产品分类、技术要求、试验方法、检验规则、标志、包装、运输和贮存。
本标准适用于煤矿用岩石电钻(以下简称产品),亦适用于其他同类型岩石电钻。

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所属分类: 矿业 矿山机械设备 煤矿专用设备器材
【英文标准名称】:StandardTestMethodforDeterminationofGaseousHexamethyleneDiisocyanate(HDI)inAirwith9-(N-methylaminomethyl)AnthraceneMethod(MAMA)intheWorkplace
【原文标准名称】:利用9-(N-甲氨基甲基)蒽(MAMA)法测定工作场所空气中气态二异腈酸己二酯(HDI)的标准试验方法
【标准号】:ASTMD6562-2006
【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】:空气;蒽;测定;气体的;二异腈酸己二酯(HDI);测试方法;试验;工作地点
【英文主题词】:airmonitoring;dualfiltersamplingsystem;hexamethylenediisocyanate;high-performanceliquidchromatography;9-(N-methylaminomethyl)anthracene;samplingandanalysis;workplaceatmospheres
【摘要】:HDIismostlyusedinthepreparationofpaints.Forthelasttenyears,theuseofisocyanatesandtheirindustrialneedshavebeeninconstantgrowth.Diisocyanatesandpolyisocyanatesareirritantstoskin,eyes,andmucousmembranes.Theyarerecognizedtocauserespiratoryallergicsensitization,asthmaticbronchitis,andacuterespiratoryintoxication(4-7).TheAmericanConferenceofGovernmentalIndustrialHygienists(ACGIH)hasadoptedathresholdlimitvalue-timeweightedaverage(TLV-TWA)of0.005ppm(V)or0.034mg/m3(8).TheOccupationalSafetyx0026;HealthAdministrationoftheU.S.DepartmentofLabor(OSHA)hasnotlistedapermissibleexposurelimit(PEL)forHDI(9).DuetoitslowLODandlowrequiredvolume(15L),thistestmethodiswellsuitedformonitoringofrespiratoryandotherproblemsrelatedtodiisocyanatesandpolyisocyanates.Itsshortsamplingtimesarecompatiblewiththedurationofmanyindustrialprocesses,anditslowdetectionlimitwiththeconcentrationsoftenfoundintheworkingarea.1.1Thistestmethodcoversthedeterminationofgaseoushexamethylenediisocyanate(HDI)inairsamplescollectedfromworkplaceandambientatmospheres.Themethoddescribedinthistestmethodcollectsseparatefractions.Onefractionwillbedominatedbyvapor,andtheotherfractionwillbedominatedbyaerosol.Itisnotknownatthepresenttimewhetherthisrepresentsaperfectseparationofvaporandaerosol,andinanycase,therearenotseparateexposurestandardsforvaporandaerosol.Therefore,incomparingtheresultsforisocyanateagainstastandard,resultsfromthetwofractionsshouldbecombinedtogiveasingletotalvalue.Thereasonforsplittingthesampleintotwofractionsistoincreaseanalyticsensitivityforthevaporfractionandalsotogivethehygienistorventilationengineersomeinformationconcerningthelikelystateoftheisocyanatespecies.Theanalysesofthetwofractionsaredifferent,andareprovidedinseparate,linked,standardstoavoidconfusion.Thistestmethodisprincipallyusedtodetermineshorttermexposure(15min)ofHDIinworkplaceenvironmentsforpersonalmonitoringorinambientair.Theanalysisoftheaerosolfractionisperformedseparately,asdescribedinTestMethodD6561.1.2Differentialairsamplingisperformedwithasegregatingdevice.Thevaporfractioniscollectedonaglassfiberfilter(GFF)impregnatedwith9-(N-methylaminomethyl)anthracene(MAMA).1.3Theanalysisofthegaseousfractionisperformedwithahighperformanceliquidchromatograph(HPLC)equippedwithultraviolet(UV)andfluorescencedetectors.1.4Therangeofapplicationofthistestmethod,usingUVandfluorescencedetectorsbothconnectedinserial,hasbeenvalidatedfrom0.006to1.12gofmonomericHDI/2.0mLofdesorptionsolution,whichcorrespondstoconcentrationsequivalentto0.0004to0.075mg/m3ofHDIbasedona15-Lairsample.Thoseconcentrationscorrespondtoarangeofvaporphaseconcentrationsfrom0.06ppb(V)to11ppb(V)andcovertheestablishedthresholdlimitvalue(TLV)valueof5ppb(V).1.5ThequantificationlimitforthemonomericHDI,usingtheUVdetection,hasbeenestablishedas0.012g/2mLofdesorptionsolutionandas0.008g/2mL,usingthefluorescencedetector.Theselimitscorrespondto0.0008mg/m3and0.0005mg/m3respectivelyforanairsampledvolumeof15L.Thesevaluesareequaltotentimesthestandarddeviation(SD)obtainedfromtenmeasurementscarriedoutonastandardsolutionincontactwiththeGFF,whoseconcentrationof0.02g/2mLisclosetotheexpecteddetectionlimit.Thisstandar......
【中国标准分类号】:Z15
【国际标准分类号】:13_040_30
【页数】:6P.;A4
【正文语种】: