2008HB 5220.19-2008 Methods for chemical analysis of superalloys. Part 19: Determination of aluminum content by cupferron, cupron separation-EDTA volumetric method
1995HB 5220.19-1995 Method for chemical analysis of superalloys-Separation of copper-iron reagents and copper reagents-EDTA volumetric method for determination of aluminum content
1982HB 5220.19-1982 Determination of zirconium content in superalloy