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ISO 7108:1985

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

Üldinfo
Kehtiv alates 06.06.1985
Tegevusala (ICS grupid)
71.060.40 Alused
Direktiivid või määrused
puuduvad

Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
06.06.1985
Põhitekst
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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