林宁婷1，2，卫敏3，朱峰1，2，连秋燕1，2，付世伟1，2，廖礼荣1，2，林金美1，2（1.福建省纤维检验中心，福建福州350026；2.福建省纺织产品检测技术重点实验室，福建福州350026；3.福建省产品质量检验研究院，福建福州350002）摘要：建立了纺织染整助剂产品中5种异噻唑啉酮类化合物的高效液相色谱-二极管阵列检测器（HPLC-DAD）检测方法。该方法采用甲醇作为溶剂，经超声波提取纺织染整助剂产品中的目标分析物，再进行HPLC-DAD测定。结果表明，5种异噻唑啉酮类化合物在0.5~10.0mg/L范围内线性相关系数大于0.999。方法检出限为7.5mg/kg，定量限为25.0mg/kg，加标回收率为87.06%~112.79%，相对标准偏差为1.07%~8.14%。该方法灵敏度高、重现性好、操作简便，可以满足纺织染整助剂中异噻唑啉酮类化合物的检测要求。关键词：高效液相色谱-二极管阵列检测器；纺织染整助剂；异噻唑啉酮类化合物中图分类号:TQ463文献标志码:C文章编号:1004-0439（2024）01-0052-05Highperformanceliquidchromatographydeterminationoffiveisothia⁃zolinonecompoundsintextiledyeingandfinishingauxiliariesLINNingting1,2,WEIMin3,ZHUFeng1,2,LIANQiuyan1,2,FUShiwei1,2,LIAOLirong1,2,LINJinmei1,2(1.FujianProvincialFiberInspectionCenter,Fuzhou350026,China;2.FujianKeyLaboratoryofTextilesInspectionTechnology,Fuzhou350026,China;3.FujianInspectionandResearchInstituteforProductQuality,Fuzhou350002,China)Abstract:Highperformanceliquidchromatographydiodearraydetector(HPLC-DAD)detectionmethodwasestablishedforfiveisothiazolinonecompoundsintextiledyeingandfinishingauxiliaries.Thismethodusesmethanolassolventtoextracttargetanalytesfromtextiledyeingandfinishingauxiliariesthroughultrasonicex⁃traction,followedbyHPLC-DADdetermination.Theresultsshowedthatthelinearcorrelationcoefficientof5isothiazolinonecompoundswasgreaterthan0.999intherangeof0.5-10.0mg/L.Thedetectionlimitofthismethodwere7.5mg/kgandthelimitofquantificationwas25.0mg/kg.Therecoveryrateofspikingwas87.06%-112.79%,andtherelativestandarddeviationwas1.07%-8.14%.Thismethodhadhighsensitivity,goodreproducibility,andsimpleoperation,andcouldmeetthedetectionrequirementsofisothiazolinonecom⁃poundsintextiledyeingandfinishingauxiliaries.Ke...
