90.93 Standard confirmed Dec 16, 2024
ISO
ISO/TC 226 Materials for the production of primary aluminium
International Standard
71.100.10 Materials for aluminium production
Specifies a spectrophotometric method, using the reduced molybdosilicate, for determining the silica content of sodium fluoride. Applicable to products of which the phosphorus pentoxide content does not exceed 0,02 % (m/m).
PUBLISHED
ISO 3430:1976
90.93
Standard confirmed
Dec 16, 2024