ISO 7108:1985

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Ammonia solution for industrial use -- Determination of ammonia content -- Titrimetric method

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ISO 7108:1985

Ammonia solution for industrial use -- Determination of ammonia content -- Titrimetric method

PUBLISH DATE 1985
ISO 7108:1985

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.

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