COD

Chemical Oxygen Demand


COD is one of  the most important water quality parameters. COD is defined as the ammout of dissolved oxygen required in water to oxidize the chemical organic materials present. It is expressed in milligrams per litre (mg/L).

COD can be measured using a reagent based test and a spectrophotometer or inderectly using UV254 and treating it as a surrogate. The latter does not rquire consumables

High COD levels can lower dissolved oxygen in water. Thus leading to a negative environmental effect and potential legal judgments.  COD is one of the most heavily regulated parameters when discharging water and can easily be measured with on of our field or process instruments.


See our COD products

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Photonic Measurements is:
Incorporated in N.Ireland (NI622996) 
VAT registered in UK (GB192976846)
VAT registered in N.Ireland (XI192976846000)

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