How do you find out what the amount means in regards to water quality?
Chemical Oxygen Demand watch
- Thread Starter
- 13-02-2010 19:41
- 15-02-2010 09:49
This wikipedia link seems to be what you are after:
It stresses the equation
Oxidizable material + bacteria + nutrient + O2 → CO2 + H2O + oxidized inorganics such as NO3 or SO4