COD Calculator

Calculate Chemical Oxygen Demand to measure total oxidizable organic matter in water

Titration Data

Blank Titrant Volume (mL)

Sample Titrant Volume (mL)

Normality of Titrant (N)

Sample Volume (mL)

BOD5 Value (mg/L) - Optional

COD Result

1000.00 mg/L

Heavily Polluted

Analysis Details

Titrant Difference10.00 mL

Oxygen Equivalent20.00 mg O2

COD Reference Values

Clean Water< 50 mg/L

Moderately Polluted50-250 mg/L

Polluted250-1000 mg/L

Heavily Polluted> 1000 mg/L