ISO 9292:1988 Preview
Manganese ores and concentrates -- Determination of total iron content -- 1,10-Phenanthroline spectrometric method
This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
The method is applicable to products having a total iron content from 0.1 % (m/m) to 15 % (m/m). ISO 9292 should be read in conjunction with ISO 4297. Specifies principle, reactions, reagents, apparatus, sampling and samples, procedure and expression of results.