COD Reflux Condenser, Thorn-Shaped Glass, 24# Ground Joint, Cooling & Reflux
200mm-500mm Reflux glassware Condenser Laboratory Advance Chemistry. ?Cooling and reflux function – prevents volatilization and sample loss. 1 × COD Digestion Reflux Condenser. During operation, theheating module of the COD digester brings the water sample and chemical reagents to a boil.