ISO 7108:1985 PDF
Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 6 июня 1985 г.
- Издание:
- ISO IS 7108 edition 1 version 1
- ICS:
- 71.060.40
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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