IS 1057 : 2004 Commercial Carat Weights - Specification

1 Scope

This standard prescribes the requirements for commercial carat weightsintended for use in weighing pearls, diamonds and other precious stones.

2 References

IS 306 : 1983 Tin bronze in gots and castings

IS 319 : 1989 Free-cutting leaded brass bars, rods and sections

IS 737 : 1986 Wrought aluminium and aluminium alloy sheet and strip for general engineering purposes

IS 2283 : 2000 Nickel silver sheet, strip - Specification