This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
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.
Status: PublishedPublication date: 2009-06
Edition: 2Number of pages: 13
Technical Committee: ISO/TC 102/SC 2 Chemical analysis
- ICS :
- 73.060.10 Iron ores
Buy this standard
|std 1 92|
|std 2 92||Paper|
A standard is reviewed every 5 years
Stage: 90.93 (Confirmed)
Got a question?
Check out our FAQs
+41 22 749 08 88
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)
Keep up to date with ISO
Sign up to our newsletter for the latest news, views and product information.