Why Is Dilution Used In The Five Day BOD Test?

Why Is Dilution Used In The Five Day BOD Test? Because most samples of wastewater will have a BOD higher that the amount of oxygen available in the BOD bottle during the incubation period, the samples must be diluted. This dilution is done by adding dilution water to the sample in the BOD bottle. …

How Many Days Are Required For BOD Measurement And Why?

How Many Days Are Required For BOD Measurement And Why? Measuring biochemical oxygen demand requires taking two measurements. One is measured immediately for dissolved oxygen (initial), and the second is incubated in the lab for 5 days and then tested for the amount of dissolved oxygen remaining (final). How long can you hold a BOD