A bacterial method for the nitrogen isotopic analysis of nitrate in seawater and freshwater.
A bacterial method for the nitrogen isotopic analysis of nitrate in seawater and freshwater.
D. Sigman,K. Casciotti,3 Authors,J. Böhlke
2001 · DOI: 10.1021/AC010088E
Analytical Chemistry · 1,865 Citations
TLDR
The precision of the method is better than 0.2/1000 (1 SD) at concentrations of nitrate down to 1 microM, and the nitrogen isotopic differences among various standards and samples are accurately reproduced.