Withdrawn
ISO 4688-1:2006 specifies a flame atomic absorption spectrometric method for the determination of the mass fraction of aluminium in iron ores.
This method is applicable to mass fractions of aluminium between 0,1 % and 5,0 % in natural iron ores, iron ore concentrates and agglomerates, including sinter products.
WITHDRAWN
ISO 4688-1:1992
WITHDRAWN
ISO 4688-1:2006
95.99
Withdrawal of Standard
Apr 25, 2017
PUBLISHED
ISO/TR 4688-1:2017
Iron ores — Determination of aluminium — Part 1: Flame atomic absorption spectrometric method
95.99 Withdrawal of Standard