Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
NORM herausgegeben am 6.6.1985
Designation standards: ISO 7108:1985
Publication date standards: 6.6.1985
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: International technical standard
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.