IS 2275 : 1984 Grades of platinum

1 Scope

1.1 This standard prescribes four grades of platinum used in themanufacture of various platinum articles and alloys.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 2270 : 1965Methods for assaying of platinum and platinum alloys

IS 2271 : 1967Recommended method for spectrographic analysis ofplatinum