The iron concentration in water needs
to be monitored because it becomes harmful above certain levels. In
domestic water, for instance, iron can alter the taste and make it
unpleasant, stain laundry, damage kitchen wares and favor the growth of
certain bacteria. Iron also is an indicator of ongoing corrosion in
industrial plants or in water cooling and heating systems. Moreover,
iron is normally monitored in mining waste water to avoid contamination.
Standard chemical test kits characteristically suffer from lack of