Diagnostic ion

{
  "id": "MLC-T-CHM-013035",
  "term": "Diagnostic ion",
  "field": "Chemistry",
  "definition": "A characteristic ion observed in a mass spectrum that provides specific information about the structure or identity of a compound. This ion often results from a predictable fragmentation pathway or rearrangement. Its presence can confirm the existence of particular functional groups or substructures within the molecule.",
  "subject": "Analytical Chemistry",
  "references": [
    "PAC, 2013, 85, 1515. 'Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)' on page 1536 (https://doi.org/10.1351/PAC-REC-06-04-06)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/diagnostic-ion/"
}