Recommended COD test for high concentrations in 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. TNT823 is based on Hach Method 10212 for virtually any type of water sample.
Hach TNTplus COD vial tests are available in multiple ranges. TNT823 provides a result in the Ultra High Range of 250 – 15,000 mg/L COD and is often used for Chemical Oxygen Demand measurement in industrial wastewater influent. Hach TNT823 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

Benefits of Hach TNTplus COD test kits:

• Easy and safe handling
• No reagent blank necessary
• Automatic method detection
• Documented shelf life and COA