COD Reagents include reagents for the two accepted methods for measuring COD at concentrations less than 400 mg/l. Where the concentration is greater than 400 mg/l, the sample must be diluted.
POA means "Price On Application". Items displaying POA instead of the sell price do so for a number of reasons, not least because we anticipate some additional information is required in order to supply the most suitable options/configuration to each individual customer.