ISO 11456:2025

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Published (Edition 1, 2025)

ISO 11456:2025

CHF 181

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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

General information

Status
: Published

Publication date
: 2025-10

Stage
: International Standard published [60.60]
Edition
: 1

Number of pages
: 40
Technical Committee :
ISO/TC 183

ICS :
73.060.99
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