Application Guide
How to Choose an Online COD Analyzer: UV254 vs Chemical Methods
UV254 absorption delivers reagent-free COD results in one second; chemical digestion methods provide regulatory-grade accuracy. This guide explains where each approach fits.
Application Guide 7 min read
TE
TENGINE Application Engineering Team
Written and reviewed by our engineers — 20+ years designing online water quality monitoring systems, with 160,000+ instruments in service worldwide.
UV254 absorption delivers reagent-free COD results in one second; chemical digestion methods provide regulatory-grade accuracy. This guide explains where each approach fits.
Related Instruments
Have a question about this topic?
Our application engineers can discuss your specific measurement point and recommend a configuration.