ASTM D3335-1985a(2009) 原子吸收光谱法测定涂料中低浓度铅、镉和钴的标准试验方法

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【英文标准名称】:StandardTestMethodforLowConcentrationsofLead,Cadmium,andCobaltinPaintbyAtomicAbsorptionSpectroscopy
【原文标准名称】:原子吸收光谱法测定涂料中低浓度铅、镉和钴的标准试验方法
【标准号】:ASTMD3335-1985a(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1985
【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】:D01.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:AAStracemetalsinpaints;tracecobaltpaints;traceleadcadmiumpaints;traceleadinpaints;AAS--tracemetalsinpaints;Cadmiumcontent;Coatings(paint/relatedapplications);Cobaltcontent;Heavymetals;Latexpaints;Leadscreeningtesting;Low
【摘要】:Thepermissiblelevelofheavymetalsincertaincoatingsisspecifiedbygovernmentalregulatoryagencies.Thistestmethodprovidesafullydocumentedprocedurefordetermininglowconcentrationsoflead,cadmium,andcobaltpresentinbothwaterandsolvent-reduciblecoatingstodeterminecompliance.1.1Thistestmethodcoversthedeterminationofleadcontentsbetween0.01and5%,cadmiumcontentsbetween50and150ppm(mg/kg),andcobaltcontentsbetween50and2000ppm(mg/kg)presentinthenonvolatileportionofliquidcoatingsorcontainedindriedfilms.Thereisnoreasontobelievethathigherlevelsofallthreeelementscouldnotbedeterminedbythistestmethod,providedthatappropriatedilutionsandadjustmentsinspecimensizeandreagentquantitiesaremade.1.2Onlypigmentedcoatingswereusedforevaluatingthistestmethod,butthereisnoreasontobelievethatvarnishesandlacquerscouldnotbeanalyzedsuccessfully,providedthatappropriateprecautionsaretaken.1.3Thistestmethodisnotapplicabletothedeterminationofleadinsamplescontainingantimonypigments(lowrecoveriesareobtained).1.4Ifleadispresentinthesampletobeanalyzedintheformofanorganicleadcompoundataconcentrationgreaterthan0.1%,smalllossesofleadmayoccur,resultinginslightlypoorerprecisionthanshowninSection12.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection7.
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:4P.;A4
【正文语种】:英语