ISO 2760:1975
w
ISO 2760:1975
7740

Текущий статус : Отозвано

Тезис

Applicable to products having a total content up to 1 %. Is not applicable in the presence of zirconium or titanium. More than 0.006 % of iron will interfere in the determination. The principle bases on fusion of a test portion with sodium carbonate and extraction of the molten mass with hydrochloric acid. Formation of a complex by the addition of the disodium salt of ethylenediamintetra-ecetic acid (EDTA). Decomposition of the complex by sodium fluoride followed by titration of the liberated EDTA with a standard volumetric solution of zinc chloride in the presence of xylenol orange as indicator.

Общая информация

  •  : Отозвано
     : 1975-03
    : Отмена международного стандарта [95.99]
  •  : 1
  • ISO/TC 47
    71.060.50 
  • RSS обновления

Появились вопросы?

Ознакомьтесь с FAQ

Работа с клиентами
+41 22 749 08 88

Часы работы:
Понедельник – пятница: 09:00-12:00, 14:00-17:00 (UTC+1)