2004HB/Z 5218.6-2004 Methods for chemical analysis of aluminium alloys-Part 6:Determination of silicon content by silicon-molybdenum blue spectrophotometric method
1970HB 5218.6-1995 Aluminum Alloy Chemical Analysis Method Silicon Molybdenum Blue Photometry Determination of Silicon Content
1982HB 5218.6-1982 Determination of magnesium content in aluminum alloy