【英文标准名称】:StandardTestMethodforOn-LineMonitoringofCarbonCompoundsinWaterbyChemicalOxidation,byUVLightOxidation,byBoth,orbyHighTemperatureCombustionFollowedbyGasPhaseNDIRorbyElectrolyticConductivity
【原文标准名称】:用化学氧化、紫外光氧化、两者共用或气相无弥散红外线(NDIR)或电解传导性与高温燃烧法即时监测水中碳化合物的标准试验方法
【标准号】:ASTMD5173-1997(2007)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:D19.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:碳;连接件;测试;水;水质
【英文主题词】:dissolvedcarbon;electrolyticconductivity;elementalcarbon;inorganiccarbon;non-dispersiveinfrareddetector;on-linemonitoringsystem;organiccarbon;persulfatesolution;photometricanalyzer;purgeableorganics;reactionchamber;reagent;totalc
【摘要】:Accuratemeasurementoforganiccarboninwateratlowandverylowlevelsisofparticularinteresttotheelectronic,pharmaceutical,andsteampowergenerationindustries.Elevatedlevelsoforganicsinrawwatertendtodegradeionexchangeresincapacity.Elevatedlevelsoforganicsinhighpuritywatertendtosupportbiologicalgrowthand,insomecases,aredirectlydetrimentaltotheprocessesthatrequirehighpuritywater.Inthecaseofsteampowergeneration,naturallyoccurringorganicscanbecomedegradedtoCO2andlowmolecularweightorganicacidsthat,inturn,arecorrosivetotheprocessequipment.Theireffectonconductivitymayalsocausewaterchemistryoperatingparameterstobeexceeded,callingforplantshutdown.Inprocesswaterinotherindustries,organiccarboncansignifyin-leakageofsubstancesthroughdamagedpipingandcomponents,oranunacceptablelevelofproductloss.Inwastewatertreatment,organiccarbonmeasurementofinfluentandin-processwatercanhelpadjustoptimizetreatmentschemes.Measurementoforganiccarbonatdischargemaycontributetoregulatorycompliance.1.1Thistestmethodcoverstheselection,establishment,andapplicationofmonitoringsystemsforcarbonandcarboncompoundsbycontinualsamplingorcontinuousflow-through,automaticanalysis,andrecordingorotherwisesignalingofoutputdata.Thesystemchosenwilldependonthepurposeforwhichitisintended(forexample,regulatorycompliance,processmonitoring,ortoalerttheusertoadversetrends)andonthetypeofwatertobemonitored(lowpurityorhighpurity,withorwithoutsuspendedparticulates,purgeableorganics,orinorganiccarbon).Ifitistobeusedforregulatorycompliance,thetestmethodpublishedorreferencedintheregulationsshouldbeusedinconjunctionwiththistestmethodandotherASTMtestmethods.Thetestmethodcoverscarbonconcentrationsof10g/Lto5000mg/L.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection9.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:5P.;A4
【正文语种】: