SM 5220D

Chemical Oxygen Demand

Applicability: Standard Methods 5220D, also known as the Closed Reflux, Colorimetric Method for Chemical Oxygen Demand (COD), is a widely applicable method for determining the COD of water samples.

Purpose: SM 5220D, or Standard Method 5220D, is a method for measuring the chemical oxygen demand (COD)<> of water samples. It’s a key parameter in assessing water quality and pollution levels, particularly in wastewater treatment and environmental monitoring.