Standards
[CURRENT]
ISO 1620
ISO 1620
Cryolite, natural and artificial; Determination of silica content; Reduced molybdosilicate spectrophotometric method
Title (German)
Kryolith, natürlich und künstlich; Bestimmung des Siliciumdioxidgehaltes; spectralfotometrische Methode mit reduziertem Molybdatosilikat
Responsible national committee
NA 062-02-81 AA - Testing of carbonaceous materials
Responsible international committee
ISO/TC 226 - Materials for the production of primary aluminium