282023年第1期(总第165期)EDX法对轨道交通地板布中铅、镉有害元素快速筛选的应用徐巧红,王卫,王春生,杜立新(1.华测检测认证集团股份有限公司,广东深圳,518133;2.中车青岛四方机车车辆股份有限公司,山东青岛,266111)摘要:本研究采用自制的地板布样品作为标准样品建立EDX法标准工作曲线,测定标准样品,研究EDX法的准确度,结果表明EDX法测试结果准确可靠;采用GB18586-2001(GF-AAS)法测定地板布中铅、镉溶出量,研究地板布中铅、镉总量与溶出量的相关性,建立总量预测溶出量的预测模型并制订快速筛选规则。通过实验室间比对和筛选有值样品,验证预测模型和快速筛选规则的可靠性、适用性,结果表明预测结果与实测结果吻合性良好,快速筛选规则适用性广。预测模型和快速筛选规则联合应用,可快速有效地判定可溶性铅、镉含量合格和不合格品,帮助企业快速有效地掌握合格和不合格品中铅、镉的溶出情况,同时,可实现经过一次测试同时判定两个管控指标的效果,达到准确高效的环保检测目的。关键词:快速筛选;铅、镉;EDX;轨道交通地板布中图分类号:O657文献标志码:A文章编号:1008-3103(2023)01-0028-05ApplicationofEDXMethodforRapidScreeningofHarmfulElementsofLeadandCadmiuminFloorClothofRailTransitXuQiao-hong,WangWei,WangChun-sheng,DuLi-xin(1.CentreTestingInternationalGroupCo.,Ltd.,ShenzhenGuangdong518001,China;2.CRRCQingdaoSifangLocomotive&RollingStockCo.,Ltd.,QingdaoShandong266111,China)Abstract:ThestandardworkingcurveofEDXmethodwasestablishedbyusingself-madefloorclothsampleasstandardsample,andthestandardsamplewasmeasured,theaccuracyofEDXmethodwasstudied,theresultsshowthattheEDXmethodisaccurateandreliable.TheGB18586-2001(GF-AAS)methodwasusedtodeterminethedissolutionamountofleadandcadmiuminfloorcloth,thecorrelationbetweenthetotalamountofleadandcadmiuminfloorclothandthedissolutionamountwasstudied,thepredictionmodeloftotaldissolutionpredictionwasestablishedandrapidscreeningruleswereformulated.Thereliabilityandapplicabilityofthepredictionmodelandrapidscreeningruleswereverifiedbycomparingandscreeningvaluablesamplesbetweenlaboratories.Theresultsshowthatthepredictedresultsareingoodagreementwiththemeasuredresults,andthefastscreeningrul...