
Report on e
Mar 19, 2015Mercury is used in thermostats, sensors, relays, switches (e.g. on printed circuit boards and in measuring equipment), medical equipment's, lamps, mobile phones, and in batteries. 4.5.4 Hexavalent chromium/chromium VI Chromium VI is still used for corrosion protection of untreated and galvanized steel plates and as a decorative or hardener