DIN Standards Committee Optics and Precision Mechanics
ISO 439
Steel and cast iron - Determination of silicon content - Gravimetric method
Stahl und Eisen - Bestimmung des Gesamtsiliziumgehaltes - Gravimetrisches Verfahren
Responsible national committee
NA 021-00-30 AA - Methods of chemical analysis
Responsible international committee
ISO/TC 17/SC 1 - Methods of determination of chemical composition