Time-weighted average sampling

{
  "id": "MLC-T-CHM-012075",
  "term": "Time-weighted average sampling",
  "field": "Chemistry",
  "definition": "A sampling strategy where a sample is collected continuously or intermittently over a defined period, and the concentration of the analyte is averaged over that entire duration. This method provides a representative average concentration of a substance in an environment over time. It is commonly used in occupational hygiene to assess exposure to airborne contaminants.",
  "synonyms": [
    "TWA sampling"
  ],
  "subject": "Analytical Chemistry",
  "see_also": [
    "active sampling",
    "passive sampling"
  ],
  "references": [
    "PAC, 2016, 88, 517. 'Glossary of terms used in extraction (IUPAC Recommendations 2016)' on page 526 (https://doi.org/10.1515/pac-2015-0903)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/time-weighted-average-sampling/"
}