spectrophotometric. Determination of the concentration of a material in a sample by measurement of the amount of light the sample absorbs.
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http://antoine.frostburg.edu/chem/senese/101/glossary/s.shtml
In chemistry, spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength. It is more specific than the general term electromagnetic spectroscopy in that spectrophotometry deals with visible light, near-ultraviolet, and near-infrared, but does not cover time-resolved spec...
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http://en.wikipedia.org/wiki/Spectrophotometry
• (n.) The art of comparing, photometrically, the brightness of two spectra, wave length by wave length; the use of the spectrophotometer.
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http://thinkexist.com/dictionary/meaning/spectrophotometry/
branch of spectroscopy that deals with measurement of the radiant energy transmitted or reflected by a body as a function of the wavelength. ... [4 related articles]
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http://www.britannica.com/eb/a-z/s/137
The measurement of the intensity of different colors (wavelengths) present in a beam of light, normally using a prism or diffraction grating, and a photoelectric cell. It is used for color comparison and in chemical analysis. See also spectrophotometer.
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http://www.daviddarling.info/encyclopedia/S/spectrophotometry.html
A technique used for measuring or comparing the absorbencies of solutions, gases or vapours. A monochromatic beam of light is passed through a sample which may transmit or absorb or scatter the light in some way. The remaining light is measured as an output by a photometer.
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http://www.encyclo.co.uk/local/20474
Quantitative measurements of concentrations of reagents made by measuring the absorption of visible, ultraviolet or infrared light. ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973
(spek″tro-fo-tom´ә-tre) the use of the spectrophotometer.
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http://www.encyclo.co.uk/local/21001
Quantitative measurements of concentrations of reagents made by measuring the absorption of visible, ultraviolet or infrared light.
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Spec`tro·pho·tom'e·try noun The art of comparing, photometrically, the brightness of two spectra, wave length by wave length; the use of the spectrophotometer. --
Spec`tro*pho`to*met'ric adjective Found on
http://www.encyclo.co.uk/webster/S/158
Type: Term Pronunciation: spek′trō-fō-tom′ĕ-trē Definitions: 1. Analysis by means of a spectrophotometer.
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