ISO 21283:2018Published

Iron ores — Determination of specific surface area — Test method using air-permeability apparatus (Blaine)

Minerais de fer — Détermination de l'aire spécifique — Méthode d'essai utilisant un perméamètre (Blaine)

Abstract / scope

ISO 21283:2018 specifies a method to determine the fineness of iron ores in terms of specific surface area, using the manual Blaine air-permeability apparatus.

ISO 21283:2018 is applicable to pellet feeds in the range of 400 cm²/g to 2 500 cm²/g of specific surface area.