2004HB/Z 5218.4-2004 Methods for chemical analysis of aluminium alloys-Part 4:Determination of manganese content by potassium periodate spectrophotometric method
1970HB 5218.4-1995 Aluminum Alloy Chemical Analysis Methods Potassium Periodate Photometric Determination of Manganese Content
1982HB 5218.4-1982 Determination of manganese content in aluminum alloy