2004HB/Z 5218.8-2004 Methods for chemical analysis of aluminium alloys-Part 8:Determination of titanium content by diantipyryl methane spectrophotometric method
1970HB 5218.8-1995 Aluminum Alloy Chemical Analysis Method Diantipyrine Methane Spectrophotometric Determination of Titanium Content
1982HB 5218.8-1982 Determination of zinc content in aluminum alloy