Résumé
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.
Cycle de vie
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Actuellement
PubliéeISO 7108:1985
Les normes ISO sont réexaminées tous les cinq ans
Stade: 90.20 (En cours d'examen)