Densitometer

Description

An instrument that measures the optical density of a material by measuring the amount of radiation that will reflect off or pass through the sample. It is used to measure thin layer chromatographic plates, photographic negatives and x-ray diffraction film.

Synonyms and Related Terms

photometer; densitomètre (Fr.); Schwärtzungsmesser (Deut.); Densitometer (Deut.)

Authority

• Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976

• The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998