BIOLOGICAL OXYGEN DEMAND MEANING - AN OVERVIEW

COD is often applied being an estimator of biological oxygen demand (BOD) as the test is much more simple and much more robust. In well-understood apps, the ratio of BOD to COD is set up, and it is comparatively simple to extrapolate a BOD concentration from the COD test.As soon as the meter is turned on, enable 15 minute equilibration ahead of cal