Limnology and Oceanography, Vol. 62, No. 1 (2017), pp. 272-288 (17 pages) To provide mechanistic constraints to interpret nitrogen (N) and oxygen (O) isotope ratios of nitrate ( NO 3 − ), 15N/14N and ...

and others by reacting the iron with nitrate as an oxidizing agent. An international research team including Dr. Casey Bryce from the University of Bristol and Dr. Verena Nikeleit and Professor ...

The sample to be tested is mixed with a commercially available reagent kit based on the enzyme nitrate reductase, resulting in a characteristic color change proportional to the amount of nitrate ...