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TNTplus™ Chemistries

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Upgrade the Way You Test Water.

Explore high-performance reagents designed for water professionals for reliable water quality testing. With advanced features and compatibility with Hach's spectrophotometers, TNTplus™ ensures consistent, compliant, and cost-effective testing.

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Benefits of TNTplus™


  • No Reagent Blank Necessary – Save time and eliminate unnecessary steps.
  • Automatic Method Detection – Bar-coded vials reduce human error.
  • Truecal™ Technology – Lot-specific calibration data for greater accuracy.
  • Safe Handling – Spill-resistant design minimizes contamination risk.
  • Documented Shelf Life & COA – RFID tracking and expiry alerts built-in.
TNT820_COD-TNTplus_Z

 

Anatomy of a TNTplus™ Vial

TNTplus_infographic

 

Instrument Compatibility

The Smarter Way to Test Water Quality

LPV4419900012_Spectro-DR6000-LZ

DR 6000™ UV-VIS Spectrophotometer

Spectro-DR3900-LZ

DR 3900™ Benchtop Spectrophotometer

Spectro-Portable-DR1900-RZ

DR 1900™ Portable Spectrophotometer

 

Watch Our Reagents in Action

 

Introducing Truecal from Hach


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TNTPlus-Vial System Training


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TNTPlus-Vial Test System
 


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Hach TOC TNT+ Reagents
 


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Chemistry Test Catalog

Hach TNTplus Chemistries

TNTplus works only with the following spectrophotometers:

DR 6000™ UV-VIS | DR 3900™ Benchtop | DR 1900™ Portable

Description Range EPA Truecal #Tests Prod. #
Alkalinity, Total 25-400 mg/L CaC 3 25 TNT870
Aluminum TNTplus, Chromazurol S Method 0.02-0.50 mg/L Al 24 TNT848
Ammonia TNTplus, ULR 0.015-2.00 mg/L NH 3 -N Yes Yes 25 TNT830
Ammonia TNTplus, LR 1-12 mg/L NH 3 -N Yes 25 TNT831
Ammonia TNTplus, HR 2-47 mg/L NH 3 -N Yes Yes 25 TNT832
Ammonia TNTplus, HR 47-130 mg/L NH 3 -N Yes 25 TNT833
Anionic Surfactants, TNTplus 0,1 - 4,0 mg/L 25 TNT874
Boron TNTplus 0.05 - 2.50 mg/L B 25 TNT877
Chlorine, Free TNTplus 0.05-2.00 mg/L Cl 2 Yes 24 TNT866
Chlorine, Free & Total TNTplus 0.05-2.00 mg/L Cl 2 Yes 24 TNT867
COD TNTplus, ULR 1-60 mg/L COD Yes 24 TNT820
COD TNTplus, LR 3-150 mg/L COD Yes Yes 25 TNT821
COD TNTplus, HR 20-1,500 mg/L COD Yes Yes 25 TNT822
COD TNTplus, UHR 250-15,000 mg/L COD Yes 25 TNT823
Fluoride TNTplus 0.1 - 2.5 mg/L F Yes 25 TNT878
Iron TNTplus* 0.2-6.0 mg/L Fe Yes 25 TNT858
Lead TNTplus*, PAR Method 0.1-2.0 mg/L Pb 25 TNT850
Nitrate, Nitrogen TNTplus, LR 0.23-13.50 mg/L NO 3 - - N Yes Yes 25 TNT835
Nitrate, Nitrogen TNTplus, HR 5-35 mg/L NO 3 - -N Yes Yes 25 TNT836
Nitrite, LR TNTplus 0.015-0.600 mg/L NO 2 - -N Yes Yes 25 TNT839
Nitrite, HR TNTplus 0.6-6.0 mg/L NO 2 - -N(2.0-20.0 mg/L NO 2 - ) Yes Yes 25 TNT840
Nitrogen, Simplified Total Kjeldahl 0-16 mg/L N Yes Yes 25 TNT880
Nitrogen, Total TNTplus, LR 1-16 mg/L N Yes 25 TNT826
Nitrogen, Total TNTplus, HR 5-40 mg/L N Yes 25 TNT827
Nitrogen, Total TNTplus, UHR 20-100 mg/L N Yes 25 TNT828
Phosphorus, Reactive TNTplus 1.6-30 mg/L P(5.0 - 90.0 mg/L PO 4 ) 25 TNT846
Phosphorus, Reactive and Total TNTplus, LR 0.05-1.5 mg/L P(0.15-4.5 mg/L PO 4 ) Yes Yes for Total 25 TNT843
Phosphorus, Reactive and Total TNTplus, HR 0.5-5.0 mg/L P(1.5-15.0 mg/L PO 4 ) Yes Yes for Total 25 TNT844
Phosphorus, Reactive and Total TNTplus, UHR 2-20 mg/L P(6-60 mg/L PO 4 ) Yes Yes for Total 25 TNT845
Sulfate TNTplus, LR 40-150 mg/L SO 4 25 TNT864
Sulfate TNTplus, HR 150-900 mg/L SO 4 25 TNT865
TOC TNTplus 1.5-30 mg/L Yes 25 TNT810
TOC TNTplus 30 - 300 mg/L Yes 25 TNT811
Vicinal diketone (VDK) TNTplus 0.015 - 0.5 mg/kg Diacetyl 25 TNT819
Volatile Acids 50-2500 mg/L CH 3 COOH (acetic acid) Yes Yes 25 TNT872
Water Hardness TNTplus 20-350 mg/L CaCO 3, 5-100 mg/L Ca, 3-50 mg/L Mg 25 TNT869

*As listed, test determines soluble metal. Order Metals Prep Set TNT890 to determine total metal.

†Optional sample preparation: TNT 892 calcium preparation set for calcium removal

‡EPA compliant for Cr 6+ only.

 

 

FAQs


Do TNTplus vials expire?

Yes. Expiry dates are barcoded, and your spectrophotometer will notify you when a vial is out-of-date.


Can I get a COA for my lot?

Yes. COAs are embedded in the RFID tag, retrievable via DR6000 or DR3900.


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