ISO 12739:2006 PDF
Zinc sulfide concentrates — Determination of zinc — Ion-exchange/EDTA titrimetric method
Zinc sulfide concentrates — Determination of zinc — Ion-exchange/EDTA titrimetric method
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 23
- Дата публикации:
- 5 июля 2006 г.
- Издание:
- ISO IS 12739 edition 2 version 1
- ICS:
- 73.060.99
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 %.
Abstract
Overview
ISO 12739:2006 specifies an analytical procedure - the - for the determination of the mass fraction of zinc in . The method is applicable to concentrates containing and covers reagents, apparatus, sample preparation, the ion‑exchange separation, EDTA titration and reporting. The standard includes precision statements, blank tests and normative annexes for resins, sample drying and related procedures.
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