British Standards Institution

Source:: ISO
Committee:: W/- - Miscellaneous Standards
Categories:: Metalliferous minerals. Other
Comment period start date:: 25/11/2024
Comment period end date:: 18/01/2025
Number of comments:: 0

Comment by:

18th Jan

Scope

This International Standard specifies an acid digestion and flame atomic absorption spectrometry (AAS) method, or inductively coupled plasma optical emission spectrometry (ICP-OES) method for the determination of the mass fraction of silver in copper and zinc sulfide concentrates as follows:

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

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

24/09/2024

3. Public Comments

Public Comments start date:

25/11/2024

Public Comments end date:

18/01/2025

Learn more about the standards development process

Standards Development

BS ISO 11456 ISO 11456 Copper and zinc sulfide concentrates. Determination of silver content. Acid digestion and flame atomic absorption spectrometric or inductively coupled plasma optical emission spectrometric method

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