ISO 4691:1985Withdrawn

Iron ores — Determination of titanium content — Diantipyrylmethane spectrophotometric method

Minerais de fer — Dosage du titane — Méthode spectrophotométrique au diantipyrylméthane

This edition has been replaced by ISO 4691:2009.

Abstract / 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.

Life cycle

Replaced by

ISO 4691:2009PublishedIron ores — Determination of titanium — Diantipyrylmethane spectrophotometric methodInternational Standard · Published 8 Jun 2009 · ISO/TC 102/SC 2