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In spectroscopy, absorbance is the amount of light absorbed by the sample at any specific wavelength. The intensity of a band in absorbance units is directly proportional to the concentration of sample responsible for the absorption band at that wavelength.

Synonyms and Related Terms

Absorption (Deut.); absorbance (Fr.);

Resources and Citations

  • M.Derrick, D.Stulik, J.Landry, Infrared Spectroscopy in Conservation Science, In Scientific Tools for Conservation series, Getty Conservation Institute, Los Angeles, 1999.

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