1.1 This standard prescribes the methods for determination of silicon, lead, iron, copper, zinc, manganese, magnesium, nickel, chromium, tin, antimony, and titanium in the ranges as prescribed in the relevant Indian Standard specifications on aluminium and its alloys.
1.2 Different procedures have been recommended for different ranges of the same constituents. Also, modifications in the procedures have been recommended in case of those methods where interference due to certain elements is definite.
IS 504-1963 history
1964IS 504-1963 Chemical analysis methods for aluminum and its alloys