ISO 12739:2006

Zinc sulfide concentrates — Determination of zinc — Ion-exchange/EDTA titrimetric method ISO 12739:2006

General information

Current stage: 90.92 Standard to be revised Nov 24, 2023

Originator: ISO

Owner: ISO/TC 183 Copper, lead, zinc and nickel ores and concentrates

Type: International Standard

ICS: 73.060.99 Other metalliferous minerals

Scope

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 %.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 12739:1997

NOW

PUBLISHED
ISO 12739:2006
90.92 Standard to be revised
Nov 24, 2023

REVISED BY

IN_DEVELOPMENT
ISO/WD 12739