IS 406 : 1964 Methods of chemical analysis of slab zinc (spelter)

1 Scope

1.1 This standard prescribes methods for the determination oflead, cadmium, tin, arsenic, antimony and iron within the chemicalcomposition ranges as specified in IS 209 : 1956.

Note - The method for determination of zinc has not beenincluded as it shall be computed by difference after all theimpurities have been determined.

References

IS 2 :1960 Rules for rounding offnumerical values

IS 209 : 1956Specification for zinc

IS 264 : 1950Specification for nitric acid

IS 265 : 1962Specification for hydrochloric acid

IS 406 : 1953Methods of chemical analysis of slab zinc and zinc basealloys

IS 1070 : 1960Specification for water, distilled quality

IS 1817 : 1961Methods of sampling non-ferrous metals for chemicalanalysis