高效液相色谱-二极管阵列(HPLC-DAD)检测法同时测定家具表面涂层中14种荧光增白剂.pdf

高效液相色谱-二极管阵列(HPLC-DAD)检测

法同时测定家具表面涂层中14种荧光增白剂

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刘冰晶，杜谦

(安徽省产品质量监督检验研究院，安徽合肥230061)

摘要：文章建立了一种高效液相色谱-二极管阵列(HPLC-DAD)检测法同时测定家具表面涂层中14种荧光增白剂的分

析技术。通过对前处理条件及色谱条件优化，确定样品经过乙腈提取，在pH值为11的碱性环境下超声提取40min，然

后用高效液相色谱-二极管阵列检测器对过膜后的萃取液进行分析。结果表明，14种荧光增白剂在一定质量浓度范围内

线性关系良好，相关系数(r)均不低于0.9982，检出限含量为0.8～6.1mg/kg，加标后回收率达80.8%～111.5%，回收

效果较好。经方法学考察，该方法可用于家具表面涂层中荧光增白剂的测定。

关键词：高效液相色谱；荧光增白剂；家具表面涂层

中图分类号：O657.7文献标志码：A文章编号：1008-4800(2024)25-0077-06

DOI:10.19900/ki.ISSN1008-4800.2024.25.020

SimultaneousDeterminationof14FluorescentWhiteningAgentsinFurniture

SurfaceCoatingsUsingHigh-performanceLiquidChromatographyDiode

Array(HPLC-DAD)DetectionMethod

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LIUBingjing,DUQian

(AnhuiProductQualitySupervisionInspectionResearchInstitute,Hefei230061,China)

Abstract:Ahigh-performanceliquidchromatography-diodearray(HPLC-DAD)detectionmethodwasestablishedto

simultaneouslydetermine14fluorescentwhiteningagentsinfurnituresurfacecoatings.Byoptimizingthepre-treatmentand

chromatographicconditions,itwasdeterminedthatthesamplewasextractedwithacetonitrileandsubjectedtoultrasonicextraction

inanalkalineenvironmentatpH11for40minutes.Theextractionsolutionwasthensubjectedtohigh-performanceliquid

chromatographydiodearrayanalysisafterpassingthroughthemembrane.Theresultsshowedthatthe14fluorescentwhitening

agentshadagoodlinearrelationshipwithinacertainconcentrationrange,andthecorrelationcoeff icients(r)werenotlessthan

0.9982,withdetectionlimitsrangingfrom0.8mg/kgto6.1mg/kg.Thespikedrecoveryrateswerebetween80.8%and111.5%,

indicatinggoodaccuracy.