Low detection limits even in complex samples. Our Low Range Water Nitrate Test Kits are formulated to accurately measure down to 0.05 ppm Nitrate-N, and we've adapted our method to detect even lower levels, just ask!

Nitrate Reductase accurately measures nitrate + nitrite in brackish water, wastewater, well water, and more. Complex matrices and samples containing humics, organics, sulfate, salt, chlorine are easily measured using Nitrate Reductase. Our new phosphate assay also offers minimal interferences.

Once samples are collected, testing is a breeze. Solid samples are prepared in a simple water extraction, and water samples are ready to analyze!

Enzymes only react with their substrate, meaning that false positives and false negatives are not a concern. They target the analyte even in complex mixtures.

Our enzymes are optimized for reagent stability, whether it's in the laboratory or in the field. They're designed to work within the range of standard room temperatures and are stable in solution for a full working day.

Enzymes are characteristic of a specific 3-D conformational shape, enabling them to only allow specific molecules to react with their binding site. This specificity eliminates potential interferences.

Nitrate reductase is important in the nitrogen pathway in nearly all plants, most fungi, and some bacteria - including the leafy greens in salads that we eat. Most enzymes are harmless - they react under gentle conditions and are safe for handling, shipping, and disposal.

All of NECi's enzymes are guaranteed to be reagent grade, made in our lab with strict QA/QC procedures. Recombinant protein design enables lot-to-lot consistency, making every batch of enzyme truly analytical-grade and reliable for accurate analysis.