Operators of wastewater treatment plants depend on reliable methods to monitor plant performance. Metrohm is pleased to present a collection of standardized methods (ISO, DIN, EPA) for critical parameters ranging from chemical oxygen demand (COD), to alkalinity, oxyhalides, and heavy metals.
![](https://d2jx2rerrg6sh3.cloudfront.net/image-handler/picture/2019/3/last_med_main.jpg)
The mentioned brochure is free of charge and describes methods such as
- DIN 38409-44 (Chemical oxygen demand)
- DIN 38406-3 (Total hardness, Ca2+, Mg2+)
- EPA 300.1, Part B (Oxyhalides)
- EPA 218.7 (Chromate)
- DIN 38406-16 (Zn, Cd, Pb, Cu, Tl, Ni, Co)
- EPA 300.0 (anions, e.g., F- , Cl- Br- NO2- NO3- PO43- SO42- etc.)
- ISO 14911:1998 (cations, e.g., Li+, Na+, K+; NH4+, Mg2+, Ca2+ etc.)