This standard specifies the method for the determination of phosphorus content in copper and copper alloys. This standard is applicable to the determination of phosphorus content in copper and copper alloys except tin bronze phosphorus content. Measuring range: 0.0002% to 0.12%.
GB/T 5121.19-1996 history
2008GB/T 5121.19-2008 Methods for chemical analysis of copper and copper alloys.Part 19:Determination of silver content
1996GB/T 5121.19-1996 Copper and copper alloys--Determination of silver content