The HI93754G-25 reagents vials follow the ISO approved method for the medium range determination of chemical oxygen demand (COD) using a compatible benchtop
Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.
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?
The dichromate ion (Cr2O72-) has proven itself to be best suited for general purpose COD and is required in all approved methods. Approved Methods. There are
Chemical Oxygen Demand (COD) Reagent Vials. Both USEPA-Approved and Mercury-Free versions are available in several ranges to meet your testing needs.
Jan 20, 2017 A chemical oxygen demand (COD) test is used to measure the amount of ... Medium range Camlab Water COD vials 0-1500mg/l – add 2ml of your ...
Portable COD Analyzer providing rapid, accurate results in less than 15 minutes — without the use of harmful chemicals including dichromate and mercury.
BDH COD Vials used in determination of Chemical Oxygen Demand follows EPA approved method; Low Range, High Range, and Mercury Free High Range. Vials ...
