Reference
Method
Test
Reagent #
Reagent Name
EPA
Titrimetric, Mid-Level
Chemical Oxygen Demand
6.2
Standard Potassium Dichromate Solution, 0.250 N
EPA
Titrimetric, High Level for Saline Waters
Chemical Oxygen Demand
6.1
Standard Potassium Dichromate Solution, 0.25 N
ASTM
Macro COD by Reflux Digestion and Titration
Chemical Oxygen Demand
14.6
Potassium Dichromate Solution, Standard (0.25 N)
APHA
Open Reflux Method
Chemical Oxygen Demand
3a
Standard Potassium Dichromate Solution, 0.04167 M