absorptivity


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Related to absorptivity: Molar absorptivity

absorptivity

 [ab″sorp-tiv´ĭ-te]
a measure of the amount of light absorbed by a solution.

ab·sorp·tiv·i·ty (a),

(ab-sōrp-tiv'i-tē),
1. Synonym(s): specific absorption coefficient
2. Synonym(s): molar absorption coefficient
3. The ability of a material to absorb electromagnetic radiation.

absorptivity

/ab·sorp·tiv·i·ty/ (ab″sorp-tiv´ĭ-te) a measure of the amount of light absorbed by a solution.

absorptivity

[ab′sôrptiv′itē]
absorbance at a particular wavelength divided by the product of the concentration of a substance and the sample path length.

mo·lar ab·sorp·tion co·ef·fic·ient

(ε) (mō'lăr ab-sōrp'shŭn kō-ĕ-fish'ĕnt)
Absorbance (of light) per unit path length (usually the centimeter) and per unit of concentration (moles per liter); a fundamental unit in spectrophotometry.
Synonym(s): absorbancy index (2) , absorptivity (2) .

spe·cif·ic ab·sorp·tion co·ef·fi·cient

(a) (spĕ-sif'ik ăb-sōrp'shŭn kō'ĕ-fish'ĕnt)
Absorbance (of light) per unit path length (usually the centimeter) and per unit of mass concentration.
Compare: molar absorption coefficient
Synonym(s): absorbancy index (1) , absorptivity (1) , extinction coefficient, specific extinction.
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References in periodicals archive ?
As such, most photons which approach an opaque surface with low absorptivity are reflected away from the body.
A re-examination of Kirchhoff's Law of Thermal Radiation in relation to Recent Criticisms: reply
The results indicate that the lowest reflectance, hence the maximum absorptivity, is obtained for the solutions with molar ratio/50 where the absorptivity reached 0.
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We used absorbance to assess bilirubin solubility by monitoring the absorptivity and [[lambda].
Fluorescence sensor for the quantification of unbound bilirubin concentrations
When considering the radiation energy absorbed by a surface one needs to consider a different property called the absorptivity [alpha] which is defined as the fraction of incident radiation that is absorbed by a surface.
Effectiveness of a thermal protective coating for automotive components
The changes in the absorptivity at 232 nm of all systems are presented in Fig.
Evaluation of antioxidant activity of some plant extracts upon vegetal oils under thermal oxidation
11) found the largest absorptivity differences with the unpigmented coatings; for the white coatings the difference was smaller whereas the difference was insignificant for the black ones.
A model of the infrared cure of powder coatings based on surface absorptivities in-situ measurements
In addition, use with a traditional fabric softener will increase water absorptivity.
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This will reduce absorptivity and ensure the permafrost's integrity.
Alaska natural gas pipeline project needs thinking outside the box
Emission and reflection are considered diffuse or equal at every angle and absorptivity is considered to be independent of the incidence angle.
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Numerous lignin sources have been used as standards for calibrating the procedure with absorptivity at 280 nm ranging form 11.
Can lignin be accurately measured?
5) Spectral absorptivity is a key factor in determining the best wavelengths for most effective curing.
Effects of UV-curing exposure on adhesion
Handsheets prepared from a mixture of equal parts of clay and fiber and 1%, 3%, and 5% latex were tested for clay content, tensile strength and water absorptivity.
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