KS E ISO 12740:2011
Lead sulfide concentrates-Determination of silver and gold contents-Fire assay and flame atomic absorption spectrometric method using scorification or cupellation

Standard No.

KS E ISO 12740:2011

Release Date

2011

Published By

Korean Agency for Technology and Standards (KATS)

Status

Withdraw

Replace By

KS E ISO 12740-2011(2016)

Latest

KS E ISO 12740:2021

Replace

KS E ISO 12740:2001

Scope

This standard covers assay methods and flame atomic absorption spectroscopy to determine the gold and silver content of lead sulfide concentrates.

KS E ISO 12740:2011 history

• 2021 KS E ISO 12740:2021 Lead sulfide concentrates — Determination of silver and gold contents — Fire assay and flame atomic absorption spectrometric method using scorification or cupellation
• 0000 KS E ISO 12740-2011(2016)
• 2011 KS E ISO 12740:2011 Lead sulfide concentrates-Determination of silver and gold contents-Fire assay and flame atomic absorption spectrometric method using scorification or cupellation
• 0000 KS E ISO 12740:2001