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sklademVydáno: 1976
ISO 3430:1976
ISO 3430:1976-Sodium fluoride primarily used for the production of aluminium — Determination of silica content — Reduced molybdosilicate spectrophotometric method
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Označení normy: | ISO 3430:1976 |
Počet stran: | 5 |
Vydání: | 1 |
Vydáno: | 1976 |
DESCRIPTION
ISO 3430:1976
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).