@misc{indiciae3e3ec5d0501b,
  title = {Perchloric acid interference in sodium and potassium determinations by atomic absorption.},
  author = {E D Rees and R D Hughes},
  year = {1968},
  doi = {10.1016/0009-8981(68)90086-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4302171/},
  note = {Source identifier: 4302171}
}