This standard specifies the method for the determination of bismuth content in high-purity cathode copper. This standard applies to the determination of bismuth content in high-purity cathode copper. Measuring range: 0.00001% to 0.0005%.
GB/T 13293.2-1991 history
2008GB/T 5121.6-2008 Methods for chemical analysis of copper and copper alloys.Part 6:Determination of bismuth content
GB/T 13293.2-1991 Higher purity copper cathode.Determination of bismuth content.Hydride generation-atomic fluorescence spectrometric method was changed to GB/T 5121.6-2008 Methods for chemical analysis of copper and copper alloys.Part 6:Determination of bismuth content.