Penetrant

{
  "id": "MLC-T-CHM-008595",
  "term": "Penetrant",
  "field": "Chemistry",
  "definition": "A substance in the fluid phase that diffuses into a solid or liquid, such as a polymer membrane. The movement of the penetrant is driven by a concentration gradient or a pressure difference across the material. The rate of this process is quantified by the diffusion coefficient.",
  "synonyms": [
    "permeant"
  ],
  "subject": "Polymer",
  "see_also": [
    "membrane"
  ],
  "references": [
    "PAC, 1996, 68, 1479. 'Terminology for membranes and membrane processes (IUPAC Recommendations 1996)' on page 1484 (https://doi.org/10.1351/pac199668071479)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/penetrant/"
}