colorimeter

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Related to colorimetrically: colorimetry

colorimeter

[‚kəl·ə′rim·əd·ər]
(analytical chemistry)
A device for measuring concentration of a known constituent in solution by comparison with colors of a few solutions of known concentration of that constituent. Also known as chromometer.
(optics)
An instrument that measures color by determining the intensities of the three primary colors that will give that color.

colorimeter

A device that measures the red, green and blue values of color. See colorimetry and color calibration. Contrast with densitometer.
References in periodicals archive ?
Concentrations of CD4 and CD8 molecules in jejunal extracts were assayed colorimetrically, through the antigenantibody reaction, instrument measured absorbance in the 450nm wavelength with ELISA kits (Cusabio).
After that, phosphomolybdate complex reduced to molybdenum blue, which can be measured colorimetrically at wavelength near 700 nm.
Kinetics of oxidation of benzaldehydes by diiodatocuprate(III) in t-butanol-water medium has been studied colorimetrically by these workers [14].
Serum ALP, calcium and phosphorus levels were measured colorimetrically in Express Plus-550 Ciba Cornig autoanalyzer using DIALAB DIAPACK fluid reactants.
24) Aspartate aminotransferase (AST), alanine aminotransferase (ALT) and albumin activities were assayed colorimetrically according to the method described by Breuer (25) and Dumas & Biggs.
6) activity was assayed colorimetrically using the laminarin dinitrosalicylic method according to Ji and Kuc (1995).
The extracted P was determined colorimetrically by a molybdate blue method (Murphy and Riley 1962) using an autoanalyser procedure.
In this assay, a soluble tetrazolium compound (3-[4,5-dimethylthiazol-2-yl]-5-[3-carboxymethoxyphenyl] -2-[4-sulfophenyl]-2H-tetrazolium [MTS]), when used in combination with an electron transfer reagent (phenazine methosulfate [PMS]) is bioreduced by viable cells in culture, a reaction that is colorimetrically quantified.
The results have been processed colorimetrically and with the defining of color difference CIE LAB [DELTA]E with characteristic solid tones and 50% screened area.
Saliva were centrifuged at 3800 rpm for 10 min and thiocyanate concentration was determined by colorimetrically [9].
Glucose was determined colorimetrically (Peridochrome Glucose, Boehringer Mannheim) using a Photometer 5010.