NBN T 03-066-1979
Ammonium sulphate for industrial use - Determination of iron content -2,2' - bipyridyl photometric method

Standard No.

NBN T 03-066-1979

Release Date

1979

Published By

BE-NBN

Latest

NBN T 03-066-1979

Scope

This International Standard specifies a 2,2'-bipyridyl photometric method for the determination of iron in ammonium sulfate for industrial use. The method is applicable to products with an iron (Fe) content greater than or equal to 0.000 1% (m/m).

NBN T 03-066-1979 history

• 1979 NBN T 03-066-1979 Ammonium sulphate for industrial use - Determination of iron content -2,2' - bipyridyl photometric method