Chemical oxygen demand

{
  "id": "MLC-T-CHM-001956",
  "term": "Chemical oxygen demand",
  "field": "Chemistry",
  "definition": "A measure of the amount of oxygen required to chemically oxidize organic and inorganic pollutants in a water sample using a strong chemical oxidant. It indicates the total quantity of oxygen-consuming substances present, providing an assessment of water quality. The result is typically expressed in milligrams of oxygen consumed per liter of sample.",
  "subject": "Chemistry and the Environment",
  "see_also": [
    "litre"
  ],
  "references": [
    "PAC, 1992, 64, 143. 'Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)' on page 149 (https://doi.org/10.1351/pac199264010143)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/chemical-oxygen-demand/"
}