Overview

Cobalt (CAS 7440-48-4; Co) is a grey metal that exists in a number of oxidation states, including divalent (Co[II]) and trivalent (Co[III]) oxidation states.

Examples of work activities involving cobalt and its compounds that may require special attention include:

  • electroplating
  • refining or processing alloys
  • in nickel-metal hydride batteries
  • as a colorant in glazes for arts and crafts including glass, ceramics and paints

This guide provides information for those registered medical practitioners engaged by a PCBU to carry out or supervise health monitoring for workers. This guidance should be read in conjunction with the following:

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