Reference number
ISO 7108:1985
ISO 7108:1985
© ISO 2024
International Standard
ISO 7108:1985
Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
Edition 1
1985-06
1985-06
ISO 7108:1985
13693
Published
(Edition 1, 1985)
This publication was last reviewed and confirmed in 2019.
Therefore this version remains current.
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.