Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
NORMA vydána dne 6.6.1985
Označení normy: ISO 7108:1985
Datum vydání normy: 6.6.1985
Počet stran: 2
Přibližná hmotnost: 6 g (0.01 liber)
Země: Mezinárodní technická norma
Kategorie: Technické normy 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.