2004HB/Z 5218.11-2004 Methods for chemical analysis of aluminium alloys.Part 11:Determination of nickel content by dimethylglyoxime separation-EDTA volumetric method
1970HB 5218.11-1995 Aluminum Alloy Chemical Analysis Method Diacetyl Diacetyl Oxime Separation--EDTA Titration Determination of Nickel Content
1982HB 5218.11-1982 Determination of dissolved zirconium in aluminum alloy