This standard specifies the measurement method for tin content in copper and copper alloys. This standard applies to the determination of tin content in copper and copper alloys. Measuring range: 0.0010% to 0.50%.
GB/T 5121.6-1996 history
2008GB/T 5121.6-2008 Methods for chemical analysis of copper and copper alloys.Part 6:Determination of bismuth content
1996GB/T 5121.6-1996 Copper and copper alloys--Determination of bismuth content