NBN T 03-067-1979
Ammonium sulphate for industrial use - Determination of free acidity - Titrimetric method

Standard No.

NBN T 03-067-1979

Release Date

1979

Published By

BE-NBN

Latest

NBN T 03-067-1979

Scope

This International Standard specifies a titrimetric method for the determination of the free acidity of ammonium sulfate for industrial use. The method is applicable to products with a free acid content, expressed as H2S04, equal to or greater than 0.01% (m/m).

NBN T 03-067-1979 history

• 1979 NBN T 03-067-1979 Ammonium sulphate for industrial use - Determination of free acidity - Titrimetric method