Ссылочный номер
ISO 1904:1972
ISO 1904:1972
Liquefied phenol for industrial use — Determination of phenols content — Bromination method
Версия 1
1972-03
В время отменен
ISO 1904:1972
6594
Отозвано (Версия 1, 1972)

Тезис

The method is not specific for phenol. It determines tho total amount of material that can be brominated under the conditions of the test. It is applicable to mixtures of about 80 % (V/V) phenol and 20 % (V/V) water. The principle is based on reaction between phenol and bromine from a measured amound of standard bromide/bromate solution. Formation of tribromophenol, follwed by iodometric determination for excess bromine using a standard volumetric solution of sodium thiosulphate.

Общая информация

  •  : Отозвано
     : 1972-03
    : Отмена международного стандарта [95.99]
  •  : 1
  • ISO/TC 47
    71.080.90 
  • RSS обновления

Жизненный цикл

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