TEA(三乙醇胺)挂片测定空气中NO_2的滤膜制备方法  

The preparation method of trimethanlammine (TEA)hanging filter for the NO_2 determination in air

作　　者：杜晓兰[1] 孙建芹 杨文 李继 张林森 

机构地区：[1]山东省环境监测中心站,山东济南250013 [2]威海市环境监测站,山东威海264200

出　　处：《中国环境监测》2000年第2期18-19,共2页Environmental Monitoring in China

摘　　要：介绍了一种用于 TEA挂片测定 NO2 的滤膜制备方法 ,解决了原方法中存在的滤膜空白值偏高且不稳定的问题。实验结果表明 ,该方法可用于大面积、多点位同步监侧中大批量滤膜的制备。This paper introduced a method ,that is how to prepare trimethanolamine (TEA)handing filter for determination of NO 2 in air It solved the problem of the higher and unsteady blank in privious method It's proved by the experiment that this method could be used for the batch preparation of filter in synchronous monitoring with many sampling points in a great area

关 键 词：TEA法 滤膜 制备 二氧化氮 大气监测 采样 挂片 

分 类 号：X831.02[环境科学与工程—环境工程] TQ051.893[化学工程]