GB/T 15249.3-1994
Crude Gold-Determination of copper content-Iodometric method (English Version)
- Standard No.
- GB/T 15249.3-1994
- Language
- Chinese, Available in English version
- Release Date
- 1994
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2009-10
- Replace By
- GB/T 15249.3-2009
- Latest
- GB/T 15249.3-2009
- Scope
- This standard specifies the method for the determination of copper content in alloyed gold. This standard is applicable to the determination of copper content in alloy gold (mined gold, smelted crude gold products and recycled gold, etc.). Measuring range: 0.5% to 30%.
GB/T 15249.3-1994 history
- 2009 GB/T 15249.3-2009 Methods for chemical analysis of crude gold.Part 3:Determination of copper content.Iodometric method
- 1994 GB/T 15249.3-1994 Crude Gold-Determination of copper content-Iodometric method
GB/T 15249.3-1994 -All Parts
GB/T 15249.1-2009 Methods for chemical analysis of crude gold.Part 1:Determination of gold content.Fire assay gravimetric method
GB/T 15249.2-2009 Methods for chemical analysis of crude gold.Part 2:Determination of silver content.Fire assay gravimetric and EDTA titrimetric methods
GB/T 15249.3-2009 Methods for chemical analysis of crude gold.Part 3:Determination of copper content.Iodometric method
GB/T 15249.4-2009 Methods for chemical analysis of crude gold.Part 4:Determination of lead content.EDTA titrimetric method
GB/T 15249.5-2009 Methods for chemical analysis of crude gold.Part 5:Determination of mercury content.Cold atomic absorption spectrometry