This standard specifies the method for the determination of zirconium content in copper and copper alloys. This standard applies to the determination of zirconium content in copper and copper alloys. Measuring range: 0.10% to 0.70%.
GB/T 5121.15-1996 history
2008GB/T 5121.15-2008 Methods for chemical analysis of copper and copper alloys.Part 15:Determination of cobalt content
1996GB/T 5121.15-1996 Copper and copper alloys--Determination of cobalt content