absorptivity

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Synonyms for absorptivity

(physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body

References in periodicals archive ?
The Beer-Lambert law states that when light passes through a solution containing some concentration of dye, the amount of light absorbed by the dye solution is proportional to both the concentration of dye and the pathlength of the light with the solution.
The Beer-Lambert law is the mathematical principle used to describe light absorption and the properties of the material through which the light is traveling.
The concentration of an analyte can be determined by measuring the absorbance at some wavelength and applying the Beer-Lambert Law (we will leave that for another column).
The section on quantitative analysis begins with the well-known Beer-Lambert law that relates concentration to the measured absorbance.
To proceed from qualitative to quantitative analysis, one only has to determine the intensity of these bands, since by Beer-Lambert law the intensity on the absorbance scale is proportional to the concentration of the absorbing substance.