Difference between revisions of "Optical density"
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Schwärzung (Deut.); densité optique (Fr.); | Schwärzung (Deut.); densité optique (Fr.); | ||
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* ASTM, Standard Terminology of Microscopy, Annual Book of ASTM Standards, Section 14, General Methods and Instrumentation, ASTM, E175, 75-78, May 1982 | * ASTM, Standard Terminology of Microscopy, Annual Book of ASTM Standards, Section 14, General Methods and Instrumentation, ASTM, E175, 75-78, May 1982 | ||
Revision as of 13:21, 1 May 2016
Description
The measurement unit for opacity. Optical density is expressed as the logarithm to base 10 of the reciprocal of transmittance (transmission measurement) or reflectance (reflection measurement).
Synonyms and Related Terms
Schwärzung (Deut.); densité optique (Fr.);
Sources Checked for Data in Record
- ASTM, Standard Terminology of Microscopy, Annual Book of ASTM Standards, Section 14, General Methods and Instrumentation, ASTM, E175, 75-78, May 1982
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998