Permil

{
  "id": "MLC-T-CHM-008673",
  "term": "Permil",
  "field": "Chemistry",
  "definition": "A unit of measurement representing one part per thousand, equivalent to 0.1 percent or 10⁻³. It is commonly denoted by the symbol ‰. This unit is frequently used in fields such as oceanography, geology, and isotope geochemistry to express small concentrations or ratios, particularly for salinity or isotopic abundance variations.",
  "synonyms": [
    "per mille",
    "permille",
    "promille"
  ],
  "subject": "Analytical Chemistry",
  "references": [
    "PAC, 2008, 80, 233. 'Glossary of terms related to solubility (IUPAC Recommendations 2008)' on page 258 (https://doi.org/10.1351/pac200880020233)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/permil/"
}