This standard specifies the measurement method for antimony content in copper and copper alloys. This standard applies to the determination of antimony content in copper and copper alloys. Measuring range: 0.0010% to 0.070%.
GB/T 5121.22-1996 history
2008GB/T 5121.22-2008 Methods for chemical analysis of copper and copper alloys.Part 22: Determination of cadmium content
1996GB/T 5121.22-1996 Copper and copper alloys--Determination of cadmium content