This International Standard specifies an ion-exchange/EDTA titrimetric method for the determination of the mass fraction of zinc in zinc concentrates. The method is applicable to zinc sulfide concentrates having a mass fraction of zinc in the range from 11 % to 62 %.
BS ISO 12739:2006 history
2006BS ISO 12739:2006 Zinc sulfide concentrates - Determination of zinc - Ion-exchange/EDTA titrimetric method