Infinite source thickness

{
  "id": "MLC-T-CHM-005827",
  "term": "Infinite source thickness",
  "field": "Chemistry",
  "definition": "A condition in nuclear analytical chemistry where the thickness of a radioactive sample is sufficient to absorb all emitted radiation of a particular type. In this scenario, increasing the sample thickness further does not increase the measured radiation intensity. This concept is relevant for techniques like beta counting or X-ray fluorescence analysis.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "intensity",
    "radiation",
    "radioactive"
  ],
  "references": [
    "PAC, 1982, 54, 1533. 'Glossary of terms used in nuclear analytical chemistry (Provisional)' on page 1544 (https://doi.org/10.1351/pac198254081533)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/infinite-source-thickness/"
}