Ссылочный номер
ISO 2887:1973
ISO 2887:1973
secButyl alcohol, methyl ethyl ketone, isobutyl methyl ketone, isoamyl ethyl ketone, diacetone alcohol and hexylene glycol for industrial use — Determination of acidity to phenolphthalein — Volumetric method
Версия 1
1973-12
В время отменен
ISO 2887:1973
7911
Отозвано (Версия 1, 1973)

Тезис

Lays down the treatment of a test portion by dilution with water (or with ethanol or propan-2-ol if the sample is not completely soluble in water) and removal of carbon dioxide by passing a strem of nitrogen through the solution. The determination is carried out by titration with a standard volumetric sodium hydroxide solution using phenolphthalein as indicator. The nitrogen used shall be free from ammonia and carbon dioxide.

Общая информация

  •  : Отозвано
     : 1973-12
    : Отмена международного стандарта [95.99]
  •  : 1
  • ISO/TC 47
  • RSS обновления

Жизненный цикл

Появились вопросы?

Ознакомьтесь с FAQ