		COLOR PHENOMENA				Page: 09. 00
Introduction	Ingredients	Spectra	Attributes	The Human Eye	Color Mixing	General Terms
Color Spaces	How to measure	Color Scales	Color Effects	After Images		Contents

	How to Measure
	SPECTROPHOTOMETER on this page
	ANCAL INSTRUMENTS on page 09.01
	MINOLTA INSTRUMENTS on page 09.02
	X-Rite GmbH INSTRUMENTS on page 09.03

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SPECTROPHOTOMETER

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Definition	A spectrophotometer is a device used to measure the intensity of radiation absorbed at different wavelengths by looking at the spectral reflectance, transmittance or emission. A spectrophotometer is an instrument for measuring or comparing the intensity of the colors of a spectrum. A photometer which measures the intensity of radiation as a function of the frequency (or wavelength) of the radiation.
Inventor	B.B. DeWitt	Spectrophotometers of today are providing researchers with unprecedented levels of sensitivity and accuracy in quantifying enzyme activity and solute concentration. Since its invention by DeWitt B. Brace, the spectrophotometer has served as an indispensable tool for researchers in several areas of science.	09-00-01	Born: 1859-05-01 Died: 1905- .
US Patent	A.C. Hardy	In 1935 Arthur Cobb Hardy received a patent for the spectrophotometer.	09-00-02	Born: 1895 Died: 1977

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Last update
2010-05-18