ISO 4691:1985
Iron ores; Determination of titanium content; Diantipyrylmethane spectrophotometric method

Standard No.

ISO 4691:1985

Release Date

1985

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Replace By

ISO 4691:2009

Latest

ISO 4691:2009

Scope

The method ist applicable to a concentration range of 0,01 to 6,0 % (m/m) of titanium in natural iron ores, and iron ore concentrates and agglomerates including sinter products. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results, and test report. ISO 4691 includes three annexes.

ISO 4691:1985 history

• 2009 ISO 4691:2009 Iron ores - Determination of titanium - Diantipyrylmethane spectrophotometric method
• 1985 ISO 4691:1985 Iron ores; Determination of titanium content; Diantipyrylmethane spectrophotometric method