CPI's COD Vials for Chemical Oxygen Demand Tests provide quality results at a huge savings for your laboratory. Just add 2mL of sample to the vial,
The HI93754G-25 reagents vials follow the ISO approved method for the medium range determination of chemical oxygen demand (COD) using a compatible benchtop
CPI's COD Vials for Chemical Oxygen Demand Tests provide quality results at a savings for your laboratory. Add 2mL of sample to the vial, digest at 150°C
Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.
Hach TNTplus COD vial tests are available in multiple ranges. TNT822 provides a result in the High Range of 20 - 1500 mg/L COD and is often used for Chemical
COD testing affords rapid response to changing conditions before critical. Rated 4.5/5 based on 445 customer reviews. chemical oxygen demand tubesCOD digestion
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?
Chemical oxygen demand (COD) relies on chemical oxidation with chromic For higher concentrations, the high range COD vials (0-1500 mg/L) should be used.