Objavljen
ISO 12739:2006 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 %.
POVUČEN
ISO 12739:1997
OBJAVLJEN
ISO 12739:2006
90.92
Odluka o izmeni ili reviziji standarda
24. 11. 2023.
PROJEKAT
ISO/WD 12739