A COD test typically involves digestion of a water sample in a sealed vial with potassium dichromate and sulfuric acid at 150oC for 2 hours. Why test for COD?
High range, chemical oxygen demand determinations: COD Digestion Vials, High Range Chemical Oxygen Demand (COD): US EPA approved for wastewater analysis
Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.
High range, chemical oxygen demand determinations: COD Digestion Vials, High Range Chemical Oxygen Demand (COD): US EPA approved for wastewater analysis using
21259-15 · 2125915 · Chemical Oxygen Demand (COD) Digest Vials · $304.64 · PACK of 150
The EPA does not allow a modification of the reagents used for reporting purposes. You must use all specified reagents in the COD vial. There are further
For determination of high range Chemical Oxygen Demand (COD) by the Reactor Digestion method. US EPA approved for wastewater analysis using Hach Method 8000
Oxygen Demand, Chemical – Water Quality Testing and The reagent blank vial can be used for multiple cheap wholesales 16mm hach cod vials manufacturer.