@misc{indiciae61bc82ebbff1,
  title = {Reduction of hexavalent chromium in water samples acidified for preservation},
  author = {Kenneth G. Stollenwerk and D.B. Grove},
  year = {1985},
  doi = {10.2134/jeq1985.00472425001400030017x},
  url = {https://pubs.usgs.gov/publication/70012805},
  note = {Source identifier: 70012805}
}