摘要
本方法基于纺织品中可萃取重金属对人体危害的问题以及目前国内相应方法标准中传统检测方法的局限性,采用了ICP-MS法并通过氦气动能歧视(KED)碰撞池技术、内标法及稀释高盐基体等措施,消除多原子离子干扰和基体干扰。结果表明,本方法测定的Pb、Cu、Zn、As、Cd、Cr、Co、Ni、Hg、Sb、Se、Ba等12种目标元素的标准工作曲线线性良好,相关系数均为0.9990以上,定量限为2μg/kg~80μg/kg,加标回收率为86.9%~107.2%,测定的相对标准偏差(RSD)为1.2%~4.7%,结果稳定性良好。本方法满足相关纺织品标准要求,为大批量、高准确性的纺织品检测提供参考。
Based on the problem of the harm of extractable heavy metals in textiles to the human body and the limitations of traditional detection methods in the current domestic method standards,this method adopts the ICP-MS method and eliminates polyatomic ion interference and matrix interference through helium aerodynamic energy discrimination(KED)collision cell technology,internal standard method and dilution of high-salt matrix.The results showed that the standard working curves of 12target elements such as Pb,Cu,Zn,As,Cd,Cr,Co,Ni,Hg,Sb,Se and Ba were linear,the correlation coefficients were above 0.9990,the limit of quantification was 2µg/kg~80µg/kg,the recovery rate was 86.9%~107.2%,and the relative standard deviation(RSD)was 1.2%~4.7%,and the stability of the results was good.This method meets the requirements of relevant textile standards and provides a reference for large-scale and high-accuracy textile testing.
作者
胡敏专
吴钰斌
HU Minzhuan;WU Yubin(Guangdong Testing lnstitute of Product Quality Supervision,Guangzhou,Guangdong 510670,China)
出处
《中国纤检》
2025年第12期53-56,共4页
China Fiber Inspection
基金
广东省市场监督管理局“基于废液回用的低碳化学检测公共服务平台建设研究”(2024CZ05)。
关键词
纺织品
可萃取重金属
电感耦合等离子体质谱法
氦气动能歧视(KED)碰撞池技术
多原子离子干扰
高盐基体干扰
textiles
extractable heavy metals
inductively coupled plasma mass spectrometry
helium pneumatic kinetic energy discrimination(KED)collision cell technology
polyatomic ion interference
high salt matrix interference
