一种新型动力学被动采样技术—化学捕收器

摘要

Chemcatcher is an in situ,continual and kinetic passive sampling technique for measuring pollutants in aqueous environment.The analytes uptake on receiving phase of Chemcatcher was linearly correlated with time,and a time-weighted average（TWA） concentration was obtained.The quantitative theory,configuration and applications of Chemcatcher technique in water research were introduced.The prospect of the passive sampling technique and the outlook of Chemcatcher were also discussed.%化学捕收器（Chemcatcher）是一种新型可原位、连续、动态监测水环境污染物的被动采样技术。它以Fick扩散定律为定量基础,测定对象分为极性有机物、非极性有机物和无机物。本文介绍了该技术的装置组成、定量原理及其在水环境研究中的应用,并对此被动采样技术进行了评价与展望。