Since the inclusion of chromium (VI) in the list of substances subject to authorisation the interest in trivalent chromium plating processes has been on the increase. The following article deals with important application
aspects and the performance spectrum of a sulphate-based chromium(III) process.
It is surely widely known that hexavalent chromium compounds have been under observation for years and that they were included in Annex XIV of the list of substances subject to authorisation in April 2013. Currently an investigation procedure is pending before the European Chemicals Agency (ECHA) relating to the further use or the prohibition of hexavalent chromium beyond the year 2017 with an uncertain outcome.