Revised Standard from Last Update.

1. SCOPE

This standard prescribes a method of test for colour retention of vitreous enamel coatings containing cadmium sulphide or cadmium sulpho-selenide type pigments.

NOTE - The purpose of the test is to detect those red, yellow, orange and some green enamels that are likely to undergo appreciable change in colour upon exposure to atmospheric corrosion.

2. REFERENCES

The standards given below contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of these standards:

IS 261 : 1982 Specification for copper sulphate (second revision)

IS 1070 : 1992 Reagent grade water - Specification (third revision)

IS 2418 (Part 2) : 2018 Tubular fluorescent lamps for general lighting service: Part 2 Performance requirements (second revision)

IS 2717 : 1979 Glossary of terms relating to vitreous enamelware and ceramic - Metal systems (first revision)