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Topic: Colorimeter

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	Colorimeter and colorimetrical control device - Patent 5568266
		The colorimeter device of the invention is preferably a spectrophotocolorimeter for the spectrophotocolorimetrical analysis of the sample.
		In a preferred embodiment of the colorimeter of the invention, it comprises a spectrophotocolorimeter comprising a light source for illumination of the sample, at least one reference standard and a reference light source of illumination of this standard.
		According to the results of the colorimetrical analysis made by the colorimeter 1, the processing and control device 115 generates control signals, shown as a, b and c which are transmitted to the control means 107, 108, and 109.
	www.freepatentsonline.com /5568266.html (5874 words)

	Colorimeter (Site not responding. Last check: )
		In chemistry, the colorimeter is an apparatus that allows the absorbance of a solution at a particular frequency (color) of visual light to be determined.
		Colorimeters rely on the principle that the absorbance of a substance is proportional to its concentration i.e., a more concentrated solution gives a higher absorbance reading.
		A filter in the colorimeter is used to select the color of light which the solute absorbs the most, in order to maximise the accuracy of the experiment.
	www.serebella.com /encyclopedia/article-Colorimeter.html (488 words)

	Duboscq Colorimeter
		Usage/History: The Duboscq colorimeter was invented by Jules Duboscq in 1870.
		Colorimeters are used to determine the concentrations of substances by measuring color intensities.
		The DuBoscq type of colorimeter works by comparing the colors of two solutions of a colored substance, a standard with a known concentration, and a sample with an unknown concentration.
	www.humboldt.edu /~scimus/HSC.36-53/Descriptions/Color_B&L.htm (743 words)

	Colorimeter
		The Colorimeter is a computer-interfaced probe designed to determine the concentration of a solution from its color intensity.
		The wavelength knob of the colorimeter is turned to one of the three LED colors.
		The cuvette slot of the colorimeter is designed to give a snug fit to the cuvette and ensure that it is always in precisely the same position between the LED light source and photodiode.
	www.humboldt.edu /~dp6/chem110/color/color.html (1709 words)

	SC-1919 COLORIMETER REAGENT SYSTEMS
		The colorimeter displays the results of these tests directly in units of concentration.
		An RS-232 serial port on the back of the colorimeter, and optional software, allows the SC-1919 to be interfaced with a personal computer for real time data acquisition and data storage.
		Due to its portability, alternate power sources, and rugged construction, the SC-1919 Colorimeter is ideal for lab and field use.
	www.omega.com /ppt/pptsc.asp?ref=SC1919&Nav=gregg04 (413 words)

	colorimeter - OneLook Dictionary Search
		colorimeter : The American Heritage® Dictionary of the English Language [home, info]
		Colorimeter : English-Chinese Dictionary of Graphic Communications (Big 5) [home, info]
		Words similar to colorimeter: colorimetric, colorimetrically, colorimetry, colourimeter, tintometer, more...
	www.onelook.com /?loc=rescb&w=colorimeter (218 words)

	Colorimeter Detail Information - Vernier Tech Info Library #1367
		After calibrating the Colorimeter, fill a cuvette about 3/4 full with the test solution.
		Place the cuvette in the Colorimeter and close the lid.
		You may dilute the test solution and place a cuvette of the dilute solution in the Colorimeter to check the change in absorbance.
	www.vernier.com /til/1367.html (360 words)

	PASCO Chemistry Experiment - May/June 2003
		A colorimeter measures the amount of colored light absorbed by or transmitted through a solution.
		The amount of light, and what color light, is absorbed or transmitted depends on properties of the solution, including the concentration of particles in it.
		Therefore, when a solution is analyzed with a colorimeter, properties of the solution such as its concentration can be determined.
	www.pasco.com /experiments/chemistry/may_2003/home.html (759 words)

	STV100 ColorVision Datacolor SpyderTV, Colorimeter and Calibrating Software for All Plasma, RPTV, DLP, LCD and CRT ...
		Instead it uses the Spyder, a scientific colorimeter that replaces the human eye.
		· SpyderTV is a colorimeter that scientifically measures contrast, brightness, color, tint, and color temperature presets on your TV and helps you make the necessary adjustments to dramatically improve your picture quality.
		The SpyderTV sensor is attached to your laptop or desktop computer using a USB cable, and then attaches to the front of your TV screen.
	www.adorama.com /ICVSTV100.html (785 words)

	ASTM E2367-05 Standard Test Method for Measurement of Nighttime Chromaticity of Pavement Marking Materials Using a ...
		1.1 This test method covers measurement of the nighttime chromaticity coordinates (x, y) of horizontal pavement markings, such as traffic stripes and surface symbols, using a portable retroreflection colorimeter that can be placed on the road delineation to measure the chromaticity at a prescribed geometry.
		1.4 The portable retroreflection colorimeter may integrate measurement of the coefficient of retroreflected luminance R
		according to Test Method E 1710 and thus be an integrated retroreflectometer/retroreflection colorimeter.
	www.astm.org /DATABASE.CART/REDLINE_PAGES/E2367.htm (317 words)

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