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【英文标准名称】:Monolithic(unshaped)refractoryproducts.Introductionandclassification
【原文标准名称】:整体(未成形)耐火材料产品.简介和分类
【标准号】:BSENISO1927-1-2012
【标准状态】:现行
【国别】:英国
【发布日期】:2012-08-31
【实施或试行日期】:2012-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:化学成分;电绝缘材料;整体材料;材料的物理性质;特性;耐火料;耐火材料
【英文主题词】:Chemicalcomposition;Electricalinsulatingmaterials;Monolithicmaterials;Physicalpropertiesofmaterials;Properties;Refractories;Refractorymaterials
【摘要】:
【中国标准分类号】:
【国际标准分类号】:81_080
【页数】:20P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminationofDiethanolamine,Triethanolamine,N-MethyldiethanolamineandN-EthyldiethanolamineinWaterbySingleReactionMonitoringLiquidChromatography/TandemMassSp
【原文标准名称】:单反应监测液相色谱/串联质谱法检测水中的二乙醇胺、三乙醇胺、N-甲基二乙醇胺和N-乙基二乙醇胺的标准试验方法
【标准号】:ASTMD7599-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D19.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ethanolamines;liquidchromatography;massspectrometry;water
【摘要】:N-Ethyldiethanolamine,N-methyldiethanolamineandtriethanolamineareSchedule3compoundsundertheChemicalWeaponsConvention(CWC).Schedule3chemicalsincludethosethathavebeenproduced,stockpiledorusedasachemicalweapon,posesotherwisearisktotheobjectandpurposeoftheCWCbecausetheypossesssuchlethalorincapacitatingtoxicityaswellasotherpropertiesthatmightenableittobeusedasachemicalweapon,posesotherwisearisktotheobjectandpurposeoftheCWCbyvirtueofitx2019;simportanceintheproductionofoneormorechemicalslistedinSchedules1or2,oritmaybeproducedinlargecommercialquantitiesforpurposesnotprohibitedundertheCWC.Ethanolamineshaveabroadspectrumofapplications.Theyareusedtoproduceadhesives,agriculturalproducts,cementgrindingaids,concreteadditives,detergents,specialtycleaners,personalcareproducts,gastreatments,metalwork,oilwellchemicals,packagingandprintinginks,photographicchemicals,rubber,textilefinishing,urethanecoatings,textilelubricants,polishes,pesticides,andpharmaceuticals.Ethanolaminesarereadilydissolvedinwater,biodegradableandthebio-concentrationpotentialislow.Thismethodhasbeeninvestigatedforusewithreagentandsurfacewater.1.1Thisprocedurecoversthedeterminationofdiethanolamine,triethanolamine,N-methyldiethanolamineandN-ethyldiethanolamine(referredtocollectivelyasethanolaminesinthistestmethod)insurfacewaterbydirectinjectionusingliquidchromatography(LC)anddetectedwithtandemmassspectrometry(MS/MS).Theseanalytesarequalitativelyandquantitativelydeterminedbythismethod.Thismethodadherestosinglereactionmonitoring(SRM)massspectrometry.1.2ThistestmethodhasbeendevelopedinsupportoftheNationalHomelandSecurityResearchCenter,USEPAbyRegion5ChicagoRegionalLaboratory.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4TheDetectionVerificationLevel(DVL)andReportingRangefortheethanolaminesarelistedinTable1.1.4.1TheDVLisrequiredtobeataconcentrationatleast3timesbelowtheReportingLimit(RL)andhaveasignal/noiseratiogreaterthan3:1.Fig.1displaysthesignal/noiseratiosattheDVLsandathigherconcentrationsforN-methyldiethanolamine.1.4.2ThereportinglimitistheconcentrationoftheLevel1calibrationstandardasshowninTable2fordiethanolamine,triethanolamine,andN-ethyldiethanolamineandLevel2forN-methyldiethanolamine.ThereportinglimitforN-methyldiethanolamineissetat50x03BC;g/Lduetopoorsensitivityata5x03BC;g/LconcentrationwhichdidnotmeettheDVLcriteria.TheDVLforN-methyldiethanolamineisat10x03BC;g/L,whichforcesaraisedreportinglimit(chromatogramsareshowninFig.1).However,themulti-laboratoryvalidationrequiredaspikeofalltargetanalytesat25x03BC;g/L.ThemeanrecoveryforN-methyldiethanolamineatthislevelwas88%asshowninTable3.Ifyourinstrumentx2019;ssensitivitycanmeettherequirementsinthistestmethod,N-methyldiethanolaminemayhavea25x03BC;g/Lreportinglimit.1.5Thisstandarddoes......
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:9P.;A4
【正文语种】:英语