Cascade impactor

{
  "id": "MLC-T-CHM-012950",
  "term": "Cascade impactor",
  "field": "Chemistry",
  "definition": "A device used to collect airborne particulate matter, separating particles into different size fractions based on their aerodynamic diameter. Air is drawn through a series of nozzles and impaction plates, with larger particles impacting on earlier stages. This instrument is used for air quality monitoring and aerosol research.",
  "subject": "Chemistry and the Environment",
  "see_also": [
    "impaction",
    "momentum"
  ],
  "references": [
    "PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2196 (https://doi.org/10.1351/pac199062112167)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/cascade-impactor/"
}