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NA 021

DIN Standards Committee Iron and Steel

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Draft standard [New]

ISO/FDIS 9441
Steel - Determination of niobium content - 4-(2-Pyridylazo)-resorcinol (PAR) spectrophotometric method

Title (German)

Stahl - Bestimmung des Niobgehalts; spektrophotometrische Methode mit PAR

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  

Edition 2026-05
Original language English
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