Recommended COD test for wastewater influent.

The Chemical Oxygen Demand analysis provides important information for the water treatment process and is essential to calculate the BOD COD ratio in wastewater. Due to this, the COD is one of the most frequently analyzed wastewater parameters globally.

Why should you use Hach TNTplus^® COD tests?
Hach TNTplus COD vial test reagents are incredibly simple to use and cut down significantly on waste generation compared to other COD test kits. TNT822 is based on Hach Method 8000 for virtually any type of water sample. Method 8000 is USEPA approved for wastewater analysis under 40 CFR 136.3 and based on Standard Methods 5220 D.
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 Oxygen Demand measurement in wastewater influent. Hach TNT822 does not require a separate blanking vial for further waste reduction and is compatible with our ezCOD Waste Recycling Service for further peace of mind. Make the switch to TNTplus COD reagents today!

Method
For determination of Chemical Oxygen Demand (COD) by the Reactor Digestion Method. Simply pipette in sample, digest, and read in your Hach Spectrophotometer. 25 tests per box.

Recommended instruments
DR3900
DR6000
DRB200