Hach, TNT818, Nitrogen (Total) TNTplus Vial Test, UHR (100-250 mg/L N), 25 Tests

Expert Ultra High Range Nitrogen test made simple.
Nitrogen TNTplus
®
chemistry and your Hach spectrophotometer are engineered to simplify water analysis for accurate results, everytime.
For determination of Total Nitrogen by the Persulfate Digestion method.
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!
Automatic method detection
The bar-coded vials allow for automatic method detection and measurement by the spectrophotometer, considerably increasing the speed of analysis. Errors are reduced as instrument averages 10 readings and rejects outliers from scratched, flawed, or dirty glassware.
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. Certificate of Analysis (COA) is available on RFID tag on the box.