This standard specifies the method for the determination of copper content in zirconium and zirconium alloys. This standard applies to the determination of copper content in zirconium and zirconium alloys. Measuring range: 0.001% to 0.025%.
GB/T 13747.6-1992 history
2019GB/T 13747.6-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 6:Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry
1992GB/T 13747.6-1992 Zirconium and zirconium alloys--Determination of copper content-2,9-dimethyl-1,10-phenanthroline spectrophotometric method