ISO 4691:2009 specifies a spectrophotometric method using diantipyrylmethane for the determination of the mass fraction of titanium in iron ores.
ISO 4691:2009 is applicable to a mass-fraction range of 0,02 % to 4,0 % of titanium in natural iron ores, and iron ore concentrates and agglomerates including sinter products.
OBJAVLJEN
ISO 4691:2009
PROJEKAT
ISO/DIS 4691
40.20
Nacrt na javnoj raspravi 60 dana
11. 9. 2026.
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