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
BSI recommends this version of standard for organisations operating in or with the UK. The ISO edition is available here if required.