@misc{indiciaea299feee5a87,
  title = {Volumetric determination of sulfate in water: The barium chromate method},
  author = {Margaret D. Foster},
  year = {2002},
  doi = {10.1021/ac50101a015},
  url = {https://pubs.usgs.gov/publication/70010856},
  note = {Source identifier: 70010856}
}