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colorimeter
(redirected from colorimetrically)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
colorimeter /col·or·im·e·ter/ (kul″er-im´ĕ-ter) an instrument for measuring color or color intensity in a solution.
colorimeter [kul″er-im´ĕ-ter]
an instrument for measuring the color or color intensity of a solution. See also spectrophotometer.

colorimeter
an instrument for measuring color differences; especially one for measuring the color of the blood in order to determine the proportion of hemoglobin.

colorimeter 
An instrument for measuring a coloured stimulus by matching it with a known coloured sample.
Table C4 Principal colours of the visible spectrum (approximate range)
colourwavelength (nm)
violet380-450
blue451-490
green491-560
yellow561-590
orange591-630
red631-780


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24) Aspartate aminotransferase (AST), alanine aminotransferase (ALT) and albumin activities were assayed colorimetrically according to the method described by Breuer (25) and Dumas & Biggs.
TP was determined using EPA standard method 4500 PE consisting of a strong acid and persulfate digestion analyzed colorimetrically using the ascorbic acid-molybdate blue method.
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.
 
 
 
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