This standard was last reviewed and confirmed in 2015. Therefore this version remains current.
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).
Status: PublishedPublication date: 1976-08
Edition: 1Number of pages: 5
Technical Committee: ISO/TC 226 Materials for the production of primary aluminium
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