This standard prescribes methods for the determination of lead, cad-mium, tin, arsenic, antimony and iron within the chemical composition ranges as specified in IS : 209-1956〓.
Note — The method for determination of zinc has not been included as it shall be computed by difference after all the impurities have been determined.
IS 406-1964 history
1965IS 406-1964 Chemical analysis method of slab zinc (SPELTER)