Chromium and its compounds have wide industrial applications
and are produced from chromite ore, an oxide of chromium and
iron. Chromium metal is used mainly in the manufacturing of steel
and other alloys. The compounds of chromium are used in chrome
plating, manufacturing of dyes and pigments, preservation of
leather and wood etc. (Dhal et al., 2013). For most chromium
compounds, sodium dichromate or chromate is the starting