2004HB/Z 5218.12-2004 Methods for chemical analysis of aluminium alloys-Part 12:Determination of nickel content by dimethylglyoxime extraction spectrophotometric method
1970HB 5218.12-1995 Aluminum Alloy Chemical Analysis Method Diacetyl Oxime Extraction Spectrophotometric Determination of Nickel Content
1982HB 5218.12-1982 Determination of lead content in aluminum alloy