Atmosphere

{
  "id": "MLC-T-CHM-000881",
  "term": "Atmosphere",
  "field": "Chemistry",
  "definition": "A non-SI unit of pressure, historically defined as the pressure exerted by a column of mercury 760 mm high at 0 °C and standard gravity. It is approximately equal to the average atmospheric pressure at sea level. One standard atmosphere (atm) is precisely defined as 101 325 pascals (Pa).",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "composition of pure air"
  ],
  "references": [
    "Green Book, 2nd ed., p. 112 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)",
    "PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2175 (https://doi.org/10.1351/pac199062112167)",
    "PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 962 (https://doi.org/10.1351/pac199668040957)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/atmosphere/"
}