Difference between revisions of "Density"
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| + | * W. M. Haynes, Handbook of Chemistry and Physics, 94th Edition, CRC Press, Boca Raton, FL (2013) | ||
* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
Revision as of 20:32, 30 April 2016
Description
A measurement of the mass per unit volume of a material. Density is usually expressed as grams per cubic centimeter (g cm-3) for solids and liquids. The density of gases is generally expressed as grams per liter (g l-1). In practical term, a high density material is usually heavy, such as baryum, bismuth, gold, lead, platinum. Aluminium, carbon, magnesium, porous materials, such as a foam or paper will have a low density.
The term Optical density is also used to refer to the optical opacity, or blackness, of a material like an exposed and developped photographic or radiographic film.
Synonyms and Related Terms
masse volumique (Fr.)
Sources Checked for Data in Record
- W. M. Haynes, Handbook of Chemistry and Physics, 94th Edition, CRC Press, Boca Raton, FL (2013)
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- Encyclopedia Britannica, http://www.britannica.com Comment: "density." Encyclopædia Britannica. 2004. Encyclopædia Britannica Premium Service. 17 Nov. 2004 .