If necessary, we will change your selected shipping method to accomodate these items. A 12% surcharge may be added to the product price.
Vials are packaged in 25-, 100- and 150-count boxes to meet your testing frequency. First time buyers, receive a 25% discount on your first order of COD reagent
A COD test typically involves digestion of a water sample in a sealed vial with potassium dichromate and sulfuric acid at 150oC for 2 hours. Why test for COD?
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The EPA does not allow a modification of the reagents used for reporting purposes. You must use all specified reagents in the COD vial. There are further
