Illuminance

{
  "id": "MLC-T-CHM-005588",
  "term": "Illuminance",
  "field": "Chemistry",
  "definition": "The density of luminous flux arriving at a point on a surface, calculated as the flux divided by the area of the surface when the light is uniformly distributed. It quantifies the intensity of visible light received by the surface from a light source. The standard international unit for illuminance is the lux, which is defined as one lumen per square meter.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "luminous flux"
  ],
  "references": [
    "Green Book, 2nd ed., p. 72 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)",
    "PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 976 (https://doi.org/10.1351/pac199668040957)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/illuminance/"
}