This standard specifies the method for the determination of cerium content in silver alloys. This standard applies to the determination of cerium content in AgCe0.5 alloy. Measuring range: 0.3% to 0.7%.
GB/T 15072.13-1994 history
2008GB/T 15072.13-2008 Test method of precious metal alloys.Determination of tin,cerium and lanthanium contents for silver alloys.Inductively coupled clasma atomic emission spectrometry