prBAS ISO 11456:2026
Copper and zinc sulfide concentrates — Determination of silver content — Acid digestion and flame atomic absorption spectrometric or inductively coupled plasma optical emission spectrometric method
General information
Status:Project
Number of pages:43
Adoption method:Korice
Language:engleski
Edition:1.
Realization date:17.11.2025
Forseen date for next stage code:27.11.2025
Technical committee:BAS/TC 27, Mining
ICS:
73.060.99, Other metalliferous minerals
Abstract
This document specifies an acid digestion and flame atomic absorption spectrometric (AAS) method, or inductively coupled plasma optical emission spectrometric (ICP-OES) method for the determination of the mass fraction of silver in copper and zinc sulfide concentrates.
The method is applicable to concentrates having silver contents in the following ranges.
— copper concentrates: 10 g/t to 800 g/t ;
— zinc concentrates: 10 g/t to 800 g/t
Lifecycle
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Original document and degree of correspondence
ISO 11456:2025, identical
Work material
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