@misc{228456,
  author = {Regina Easley and Benjamin Place},
  title = {Mass spectra of sulfonephthalein pH indicator dyes and their impurities},
  year = {2017},
  number = {122},
  month = {2017-04-26},
  publisher = {Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/jres.122.021},
  language = {en},
}