@misc{indiciae0396316a64b9,
  title = {Nitrate analysis by capillary gas chromatography.},
  author = {M J Dunphy and D D Goble and D J Smith},
  year = {1990},
  doi = {10.1016/0003-2697(90)90697-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/2327580/},
  note = {Source identifier: 2327580}
}