Interfering substance

{
  "id": "MLC-T-CHM-005948",
  "term": "Interfering substance",
  "field": "Chemistry",
  "definition": "A chemical species present in a sample that affects the response of an analytical method to the analyte, leading to a biased result. This substance can either enhance or suppress the analyte signal, or produce a signal itself that is indistinguishable from the analyte. Its presence requires consideration in method validation and sample preparation.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "Donnan exclusion",
    "coefficient",
    "liquid junction",
    "membrane"
  ],
  "references": [
    "PAC, 1994, 66, 2527. 'Recommendations for nomenclature of ionselective electrodes (IUPAC Recommendations 1994)' on page 2530 (https://doi.org/10.1351/pac199466122527)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/interfering-substance/"
}