@misc{indiciaeef8d2826ae1e,
  title = {Pyrocatechol violet as a detection reagent for cations.},
  author = {K MACEK and L MORAVEK},
  year = {1956},
  doi = {10.1038/178102a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/13348643/},
  note = {Source identifier: 13348643}
}