Envirochem offers a large range of colourimetric testing including ammonia, COD (chemical oxygen demand), cyanide, free and total chlorine, and more.
Ammonia is tested for largely because the amount of ammonia in waste water must fall under a certain limit for it to be disposed of safely into the environment. Most of our samples for Ammonia come from water treatment plants, companies testing their water discharge and from care homes that have their own water treatment facilities.
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