全自动流动注射仪测定水中的阴离子表面活性剂  

Water Determination of Anionic Surfactants by Automatic Flow Injection Analyzer

作　　者：冉瑞桥 杨帆 田海华 RAN Rui-qiao;YANG Fan;TIAN Hai-hua(Enshi Environmental Monitoring Station,Hubei Enshi 445000,China)

机构地区：[1]恩施市环境监测站,湖北恩施445000

出　　处：《广州化工》2024年第3期99-101,105,共4页GuangZhou Chemical Industry

摘　　要：选用全自动流动注射分析仪测定水中阴离子表面活性剂的含量,实验结果表明:在0~2 mg/L范围内,体系信号响应值(峰面积)与水中阴离子表面活性剂的含量具有较好的线性(相关系数r值为0.9996),检出限为0.003 mg/L,精密度和正确度较高,有证标准物质相对误差低于10%,样品加标回收率良好。该方法分析快速、操作简单、环境友好,可用于水中阴离子表面活性剂的测定。Automatic flow injection analyzer was used to determine the content of anionic surfactant in water.The experimental results indicated that it had a good linearity(correlation coefficientis 0.9996)between the system signal response value(peak area)and the content of anionic surfactants in water within the range of 0~2 mg/L,the detection limit of this method was 0.003 mg/L,the precision and accuracy were high,the relative error of certified reference material was less than 10%,and the sample recovery rate was good.The method was fast,simple and environmental friendly,and could be used for the determination of anionic surfactants in water.

关 键 词：阴离子表面活性剂 流动注射 分光光度法 

分 类 号：X832[环境科学与工程—环境工程]