Nikolsky-Eisenman equation

{
  "id": "MLC-T-CHM-007943",
  "term": "Nikolsky-Eisenman equation",
  "field": "Chemistry",
  "definition": "An extension of the Nernst equation that describes the potential of an ion-selective electrode when interfering ions are present in the sample in addition to the primary ion of interest. The equation models the electrode potential as a function of the activities of both the primary and interfering ions, weighted by a selectivity coefficient for each interferent. This coefficient quantifies the electrode's preference for the primary ion over a specific interfering ion.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "Nernst equation",
    "electron number of an electrochemical reaction"
  ],
  "references": [
    "PAC, 2020, 92, 641. 'Terminology of Electrochemical Methods of Analysis (IUPAC Recommendations 2019)' on page 666 (https://doi.org/10.1515/pac-2018-0109)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/nikolsky-eisenman-equation/"
}