IS 6889 : 2000 Chemical Analysis of Silver-tin Dental Amalgam Alloy - Method

1 Scope

This standard describes the methods for determination of silver,tin, copper and zinc in the dental amalgam alloy in the rangesgiven below:

Element   Range (Percent by Mass)

Silver    66.7-74.5

Tin       25.8-27.0

Copper    0.0-6.0

Zinc      0.1-1.9

2 References

IS 264 : 1976Nitric acid

IS 266 : 1977Sulphuric acid

IS 1070 : 1992Reagent grade water

IS 6882 : 1973Platinum electrode