Microphotometer

{
  "id": "MLC-T-CHM-007345",
  "term": "Microphotometer",
  "field": "Chemistry",
  "definition": "An instrument designed to measure the intensity of light transmitted through a small area of a photographic plate or film. It operates by focusing a narrow beam of light onto the sample and detecting the transmitted light with a photodetector. This device is frequently employed in spectroscopy to quantify the darkness of spectral lines.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "spectroscopy",
    "transmittance"
  ],
  "references": [
    "Orange Book, 2nd ed., p. 160 (https://media.iupac.org/publications/analytical_compendium/)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/microphotometer/"
}