【英文标准名称】:StandardPracticeforUseofQualitativeChemicalSpotTestKitsforDetectionofLeadinDryPaintFilms
【原文标准名称】:干漆膜中铅含量检测用定性化学抽查工具标准规程
【标准号】:ASTME1753-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E06.23
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:化学分析和试验;铅含量;涂料
【英文主题词】:lead;rhodizonatetest;spottest;sulfidetest;testkit
【摘要】:Thistechniqueisapplicabletodrypaintfilmsandvarnishesinavarietyofformsincludingtheintactdrypaintfilmsurface,anotchedorotherangularcutsurfacethatexposesacrosssectionofallpaintlayers,apaintchip,andgroundpaintfilm.Theresponseofthespottestmethodvariesdependingontheextractabilityofleadfromacoatingmatrix,whichmaydifferdependingonthetestkitused,thecoatingtypetested,andthetypeofleadpigment(3).Insomesituations,metalsandotherchemicalspeciesinterferewiththespottestscausingfalsenegativeorfalsepositiveresults(seeSection8).Aspottestresultmaybeusedasanegativescreenforthepresenceofleadinpaintsandvarnishesprovidedtheresponseofthetestkitissensitivetodetectingleadreliablyatagivenpredeterminedlevel,forexample,afederalorstateregulatedabatementactionlevel(4).ThispracticemaybeusedinconjunctionwithquantitativeanalyticalmethodsforleadsuchasportableX-rayfluorescence,anodicstrippingvoltammetry,orfixed-sitelaboratoryanalysisofpaintchipsamples.Colorblindindividuals(protanomalousviewers)whoaredeficientinviewingredcolorsmayhavedifficultyindiscerningthepinkorredcolorofapositiverhodizonatetest.1.1Thispracticecoverstheuseofcommercialspottestkitsbasedoneithersulfideorrhodizonateforthequalitativedeterminationofthepresenceofleadindrypaintfilms.1.2Thispracticemayalsobeusedasaqualitativeprocedureforotherdrycoatingfilmssuchasvarnishes.1.3Thispracticeprovidesalistoftheadvantagesandlimitationsofchemicalspottestkitsbasedonsulfideandrhodizonatetoallowtheusertochoosetheappropriatespottestforagivencircumstance.1.4Thispracticecontainsnoteswhichareexplanatoryandnotpartofmandatoryrequirements.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:87_040
【页数】:5P.;A4
【正文语种】: