ISO 7108:1985
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Ammoniaque à usage industriel — De1termination du titre en ammoniac — Méthode titrimétrique
| Published By | Publication Date | Number of Pages |
| ISO | 1985-06 | 4 |
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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