Burn-up fraction

{
  "id": "MLC-T-CHM-001547",
  "term": "Burn-up fraction",
  "field": "Chemistry",
  "definition": "The ratio of the number of fissions that have occurred in a nuclear fuel to the initial number of heavy atoms present in that fuel. It represents the proportion of nuclear fuel that has been consumed through fission reactions. This fraction is a dimensionless quantity, often expressed as a percentage.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "burn-up",
    "nuclide"
  ],
  "references": [
    "PAC, 1982, 54, 1533. 'Glossary of terms used in nuclear analytical chemistry (Provisional)' on page 1537 (https://doi.org/10.1351/pac198254081533)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/burn-up-fraction/"
}