IS 4699 : 1984 Refined secondary zinc

1 Scope

1.1 This standard covers the requirements for two grades ofrefined secondary zinc, namely, SZn 99.5 and SZn 98.5.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 406 : 1964Methods of chemical analysis of slab zinc

IS 1387 : 1967General requirements for the supply of metallurgicalmaterials

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