This standard specifies the method for the determination of zinc content in high-purity cathode copper. This standard applies to the determination of zinc content in high-purity cathode copper. Measuring range: 0.00005%~0.002%
GB/T 13293.10-1991 history
2008GB/T 5121.11-2008 Methods for chemical analysis of copper and copper alloys.Part 11:Determination of zinc content
GB/T 13293.10-1991 Higher purity copper cathode.Determination of zinc content.Flame atomic absorption spectrometric method was changed to GB/T 5121.11-2008 Methods for chemical analysis of copper and copper alloys.Part 11:Determination of zinc content.