Term: optical density [obsolete]
https://doi.org/10.1351/goldbook.O04306

Definition:
Synonymous with absorbance. The use of the term optical density is discouraged.

Related Terms:
1) absorbance (http://doi.org/10.1351/goldbook.A00028).

Source: PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2257 (https://doi.org/10.1351/pac199668122223)

Citation: 'optical density <span class='text-danger'>[obsolete]</span>' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.O04306

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