Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
NORM herausgegeben am 6.6.1985
Bezeichnung normen: ISO 7108:1985
Ausgabedatum normen: 6.6.1985
Zahl der Seiten: 2
Gewicht ca.: 6 g (0.01 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen ISO
Description / Abstract: A test portion is introduced into a solution of boric acid and the solution obtained is titrated with a standard volumetric solution of sulfuric acid in the presence of methyl red as indicator. The method is applicable to solutions containing not more than 35 % (m/m) of ammonia.