NECi Superior Enzymes

- Model NTK-TTSR - Standard Range Test Tube Format Nitrate Test Kit


Enzymatic Nitrate Determination for Your Laboratory; Accurate, Fast, Reliable Results, Safe for you and the environment. Use this kit to obtain quantitative determinations of nitrate content in most aqueous samples, including water, plant tissues and soil extracts. It uses a test tube format and is to be used with your colorimeter or spectrophotomether capable of reading at 540nm± 20nm. The enzyme Nitrate Reductase drives Nitrate to Nitrite using NADH, which reacts with color reagents under acidic conditions to produce a visible color. Small Sample Volume and Enzyme Reagents Offer Sustainability and No Hassle Shipping, Storage and Disposal for Your Laboratory Recombinant AtNaR fermented according to strict QA/QC procedures with reagent grade water and analytical grade sugars and salts, ensuring lot-to-lot consistency, reliablility, and stability Nitrate Reductase Based Test Tube Format Kits Available in: 25 Sample or 100 Sample Analysis Salt Water or Freshwater Sample Analysis

Animal Origin Free.  Fast and Economical Shipping.

Call (1-888-NITRATE or 1-888-648-7283) for bulk and repeat order discount prices.

For inquiries regarding orders, contact

For technical support, contact


Questions? Call 1-888-NITRATE or 1-888-648-7283

Test Tube Kits are available for fresh or salt water samples, in standard or low range, and to analyze either 25 or 100 samples.

For Standard Range Test Tube Format Nitrate Test Kits:

You will need a graduated cylinder, variable pipetters, a test tube vortex-type mixer, colorimeter or spectrophotomether, clen and nitrate-free 13 x 100 test tubes, a timer, Nitrate-free deionized water, concentrated HCl, and ice.

Each Kit Contains (Per 25 Samples):

  • (1) 50mL Tube Assay Buffer (liquid)
  • (1) 15mL Amber Bottle Color Reagent No. 1 (solid)
  • (1) 15mL Amber Bottle Color Reagent No. 2 (solid)
  • (1) Tube NADH (freeze-dried)
  • (1) Tube Nitrate Reductase (freeze-dried)
  • (1) Squeeze-bulb Enzyme Diluent
  • (1) 1.5mL Tube 100ppm Nitrate-N Standard (liquid)
  • (6) Microcentrifuge Tubes
  • (1) Set of Instructions
  • (1) 20mL Tube Salt Water (only if you are testing seawater)

For more detailed information about this kit, please refer to the instruction sheet.

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