How to determine Soluble Chemical Oxygen Demand (SCOD) in sludge?

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Md Khalekuzzaman

You need to filter the sludge sample using a filter paper with pore size 1.2 microM, and then just follow the COD procedure to find sCOD of sludge sample.

Sadib Bin Kabir

Sir, thanks. This method is simple and easy to operate.

I have also found out a procedure according to APHA standard method for examination of water and wastewater but that procedure is more complex.