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【英文标准名称】:StandardTestMethodforDeterminationofLeadinWorkplaceAirUsingFlameorGraphiteFurnaceAtomicAbsorptionSpectrometry
【原文标准名称】:用火焰或石墨熔炉原子吸收光谱法测定车间空气中铅含量的标准试验方法
【标准号】:ASTMD6785-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:
【英文主题词】:FAAS(flameatomicabsorptionspectrometry);Graphitefurnaceatomicabsorptionspectrometry(GFAAS);Leadscreeningtesting;Particulatecontamination(petroleum);Workplaceair/atmospheres
【摘要】:Thehealthofworkersinmanyindustries,forexample,mining,metalrefining,batterymanufacture,construction,etc.,isatriskthroughexposurebyinhalationofparticulateleadandleadcompounds.Industrialhygienistsandotherpublichealthprofessionalsneedtodeterminetheeffectivenessofmeasurestakentocontrolworkers''exposure,andthisisgenerallyachievedbymakingworkplaceairmeasurements.Thisstandardhasbeenpublishedinordertomakeavailableamethodformakingvalidexposuremeasurementsforlead.Itwillbeofbenefitto:agenciesconcernedwithhealthandsafetyatwork;industrialhygienistsandotherpublichealthprofessionals;analyticallaboratories;industrialusersofmetalsandmetalloidsandtheirworkers,etc.Ithasbeenassumedinthedraftingofthisstandardthattheexecutionofitsprovisions,andtheinterpretationoftheresultsobtained,isentrustedtoappropriatelyqualifiedandexperiencedpeople.ThemeasuringprocedureshallcomplywithanyrelevantInternational,EuropeanorNationalStandardthatspecifiesperformancerequirementsforproceduresformeasuringchemicalagentsinworkplaceair(forexample,EN482).1.1Thisstandardspecifiesflameandgraphitefurnaceatomicabsorptionspectrometricmethodsforthedeterminationofthetime-weightedaveragemassconcentrationofparticulateleadandleadcompoundsinworkplaceair.1.2Themethodisapplicabletopersonalsamplingoftheinhalablefractionofairborneparticles,asdefinedinISO7708,andtostatic(area)sampling.1.3Thesampledissolutionprocedurespecifieshotplateormicrowavedigestion,orultrasonicextraction(11.2).Thesampledissolutionprocedureisnoteffectiveforallleadcompounds(seeSection5).Theuseofanalternative,morevigorousdissolutionprocedureisnecessarywhenitisdesiredtoextractleadfromcompoundspresentinthetestatmospherethatareinsolubleusingthedissolutionproceduresdescribedherein.Forexampleifitisdesiredtodeterminesilicatelead,ahydrofluoricaciddissolutionprocedureisrequired.1.4Theflameatomicabsorptionmethodisapplicabletothedeterminationofmassesofapproximately1to200x03BC;gofleadpersample,withoutdilution(1).Thegraphitefurnaceatomicabsorptionmethodisapplicabletothedeterminationofmassesofapproximately0.01to0.5x03BC;gofleadpersample,withoutdilution(1).1.5Theultrasonicextractionprocedurehasbeenvalidatedforthedeterminationofmassesofapproximately20to100x03BC;gofleadpersample,forlaboratory-generatedleadfumeairfiltersamples(2).1.6Theconcentrationrangeforleadinairforwhichthisprocedureisapplicableisdeterminedinpartbythesamplingprocedureselectedbytheuser(seeSection10).1.7Anionsthatformprecipitateswithleadmayinterfere,butthispotentialinterferenceisovercomebytheadditionofthedisodiumsaltofethylenediaminetetraaceticacid(EDTA)whennecessary.1.8ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C70
【国际标准分类号】:71_040_50
【页数】:17P.;A4
【正文语种】:英语