This standard specifies the method for the determination of silver content in high-purity cathode copper. This standard applies to the determination of silver content in high-purity cathode copper. Measuring range: 0.0002% to 0.005%.
GB/T 13293.12-1991 history
2008GB/T 5121.19-2008 Methods for chemical analysis of copper and copper alloys.Part 19:Determination of silver content
1991GB/T 13293.12-1991 Higher purity copper cathode.Determination of silver content.Separation and preconcentration with sulfhydryl cotton-flame atomic absorption spectrometric method
GB/T 13293.12-1991 Higher purity copper cathode.Determination of silver content.Separation and preconcentration with sulfhydryl cotton-flame atomic absorption spectrometric method was changed to GB/T 5121.19-2008 Methods for chemical analysis of copper and copper alloys.Part 19:Determination of silver content.