YS/T 521.2-2009
Methods for chemical analysis of blister copper.Part 2:Determination of gold and silver contents.Fire assay method (English Version)
- Standard No.
- YS/T 521.2-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- Professional Standard - Non-ferrous Metal
- Status
- 2020-01
- Replace By
- YS/T 521.2-2019
- Latest
- YS/T 521.2-2019
- Replace
- YS/T 521.3-2006
- Scope
- This part of YS/T 521 specifies the method for determining the amount of gold and silver in blister copper. This section applies to the determination of the amount of gold and silver in blister copper. Determination range: The mass fraction of gold is ≥0.5g/t; the mass fraction of silver is ≥20g/t.
YS/T 521.2-2009 history
- 2019 YS/T 521.2-2019 Methods of chemical analysis of blister copper Part 2: Determination of gold and silver content Wet and dry fire assay and direct fire assay
- 2009 YS/T 521.3-2009 Methods for chemical analysis of blister copper.Part 3:Determination of arsenic content.Hydride generation-atomic fluorescence spectrometric method.Potassium bromate titration
- 2006 YS/T 521.2-2006 Blister copper chemical analysis method for determination of arsenic content
YS/T 521.2-2009 Methods for chemical analysis of blister copper.Part 2:Determination of gold and silver contents.Fire assay method has been changed from YS/T 521.3-2006 Blister copper chemical analysis method for determination of gold and silver content.
