Ion-pair formation

{
  "id": "MLC-T-CHM-006144",
  "term": "Ion-pair formation",
  "field": "Chemistry",
  "definition": "An ionization event in mass spectrometry in which one molecule yields both a cationic and an anionic fragment, so ions of each polarity appear among the products. In solution chemistry the same words describe the association of a free cation and anion into a single unit held by Coulombic attraction, which lowers the free-ion concentration and so the conductivity of the solution.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "ionization"
  ],
  "references": [
    "PAC, 1991, 63, 1541. 'Recommendations for nomenclature and symbolism for mass spectroscopy (including an appendix of terms used in vacuum technology). (Recommendations 1991)' on page 1548 (https://doi.org/10.1351/pac199163101541)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/ion-pair-formation/"
}