MaxSignal® Nitrate/Nitrite Assay Kit

Catalog# Product Name Quantity US List Price
1305-01 MaxSignal® Nitrate/Nitrite Assay Kit
48 determinations
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These kits are available for purchase by email, fax or phone only. Please email your order to sales@biooscientific.com, fax it to 1-512-707-8122 or call 512-707-8993.


  • High sensitivity and low detection limit: 0.02 ppm
  • A rapid 45 minute, robust enzyme-based assay
  • High reproducibility
  • Flexible assay format

The MaxSignal® Nitrate/Nitrite Assay Kit is a cuvette-based enzymatic assay for the determination of nitrate and/or nitrite across a variety of food samples. The MaxSignal Nitrate/Nitrite Assay Kit uses a coupled enzymatic reaction scheme to detect nitrate and/or nitrite in food samples: nitrate in the sample is converted by nitrate reductase enzyme to make nitrite. The nitrite then reacts with sulfanilamide and N-(1-naphthyl)-ethylene-diamine to form a red diazo dye. This dye, measured at 540 nm, is proportional to the level of nitrate and/or nitrite in the sample.

The absorbance of each sample at 540 nm is measured using a spectrophotometer. The concentration of nitrate /nitrite in each sample is then directly determined from the diazo dye absorbance at 540 nm within 45 minutes.

This kit is manufactured to the international quality standard ISO 9001:2008.


Kit Specs

The MaxSignal Nitrate/Nitrite Assay Kit has the capacity for 48 determinations, or 24 determinations in duplicate. Store the kit at 4°C. The shelf life of the kit is 6 months after receipt, when the kit is properly stored.

MaxSignal® Nitrite/Nitrate Assay Linear Range

MaxSignal Nitrite/Nitrate Assay Linear Range