Chemical Oxygen Demand (COD) Calculator

Chemical Oxygen Demand (COD) Calculator Online. The Chemical Oxygen Demand or COD, is a measurement of the amount of material that can be oxidized (combined with oxygen) in the presence of a strong chemical oxidizing agent. More specifically, the test is a process of decomposing pollutants in water after two hours of boiling the water in a solution of potassium dichromate. COD Calculator calculates Chemical Oxygen Demand in a Water.

Formula:-

Chemical Oxygen Demand (COD) = (A-B)xMx8000 / Volume of Sample mL


Where:

• A : mL of titrant used for sample
• B : mL of titrant used for blank
• M : Normality of ferrous ammonium sulfate

Calculation of Chemical Oxygen Demand (COD):-

Titrant used for sample:		mL
Titrant used for blank:		mL
Normality of Ferrous Ammonium Sulfate:
Chemical Oxygen Demand (COD) :		mg O2/L

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