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Homepage>ISO 7108:1985-Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
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sklademVydáno: 1985
ISO 7108:1985-Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method

ISO 7108:1985

ISO 7108:1985-Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method

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Označení normy:ISO 7108:1985
Počet stran:2
Vydání:1
Vydáno:1985
DESCRIPTION

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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