Reference
Method
Test
Reagent #
Reagent Name
TAPPI
Preparation of indicators and standard solutions
N/A
6.1
Ferrous ammonium sulfate, 0.1 N
ASTM
Micro COD by Sealed Digestion and Spectrometry
Chemical Oxygen Demand
22.4
Ferrous Ammonium Sulfate Solution (0.10 N)
APHA
Closed Reflux, Titrimetric Method
Chemical Oxygen Demand
3d
Standard Ferrous Ammonium Sulfate Titrant (FAS)
ACS
Volumetric Solutions
N/A
N/A
Ferrous Ammonium Sulfate, 0.1 Normal Volumetric Solution