Hach, TNT840, Nitrite TNTplus Vial Test, HR (0.6-6.0 mg/L NO₂-N), 25 Tests

Expert High Range Nitrite test made simple.
Nitrite TNTplus
®
chemistry and your Hach spectrophotometer are engineered to simplify water analysis for accurate results, everytime.
For determination of Nitrite Nitrogen by the Diazotization method. EPA compliant.
Easy and safe handling
The innovative vial and reagent delivery makes tests easier to use than powder pillows or liquid reagents and significantly reduces spillage or contamination risk.
No reagent blank necessary
The high quality of TNTplus vials, tight reagent production controls, instrument calibration verification, and high instrument stability all combine to eliminate the need to run reagent blanks—saving you time and money!
Lot after lot - Be Right
Truecal™ with each vial includes the calibration data for each individual lot, reducing variation in results. This allows you to meet reporting standards and to perform proficiency testing with higher confidence.
Automatic method detection
New 2D barcode details batch number and expiry date of reagents, which are documented along with the measurement result. An automatic warning is issued if expiry date has passed. Certificate of Analysis (COA) is available on RFID tag on the box.
Documented shelf life and COA
New 2D barcode details batch number and expiry date of reagents, which are documented along with the measurement result. An automatic warning is issued if expiry date has passed. Lot specific information (COA) is available on RFID tag on the box.