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ISO/WD 12739

Zinc sulfide concentrates — Determination of zinc — Ion-exchange/EDTA titrimetric method

General information

20.60     May 9, 2024

ISO

ISO/TC 183

International Standard

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

Revises
ISO 12739:2006

NOW

IN_DEVELOPMENT
ISO/WD 12739
20.60 Close of comment period
May 9, 2024

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