水体化学需氧量实时在线监测与EW-2100紫外吸收水质自动在线监测仪

Real-time monitoring of chemical oxygen demand in water and EW-2100 UV absorption water quality automatic on-line monitor.

介绍了化学需氧量分析技术的基本原理和几种主要的在线分析方法,重点介绍了EW-2100紫外吸收水质自动在线监测仪的工作原理、仪器结构、技术特点、技术参数及应用领域。该仪器具有无需化学处理、没有延迟现象、不产生二次污染等优点。

The basic principles of analytical techniques and main on-line analytical methods for the measurement of chemical oxygen demand （COD） are described. The construction and features of EW-2100 UV absorption water quality automatic on-line monitor are introduced. The instrument can perform real-time detection with no time delay and no secondary pollution.