extinction coefficient


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extinction coefficient

[ek′stiŋk·shən ‚kō·i‚fish·ənt]
(analytical chemistry)
References in periodicals archive ?
The peak height and the extinction coefficient are directly correlated to the product concentration.
Such a low extinction coefficient for high solar altitudes implies that light penetrates a long way down into a canopy.
The light extinction coefficient (k) was calculated using the Beer-Lambert law (I = [I.
We thank Linlin Ding for providing [Alpha]crystallin (Jules Stein Eye Institute) and Ray Borkman and Grady Knight (Georgia Institute of Technology) for providing the molar extinction coefficient for [Alpha]-crystallin.
The difference between the measured and actual magnitude ([DELTA] magnitude) of star B was determined; this quantity was divided by the difference of the air mass of stars A and B ([DELTA] Air mass) in determining the extinction coefficient.
Schaefer's program for the heliacal risings and settings of stars (S&T: September 1985, page 261), I found that the following simple relation is a reasonable approximation for a dark sky and an extinction coefficient of 0.
Figure 3 shows the value of the extinction coefficient per unit water droplet concentration in fog at different radiation frequencies and different air temperatures.
These n&k Analyzers determine film thickness, the spectra of refractive index (n) and extinction coefficient (k), as well as energy band gap, interface roughness, and other optical properties.
By graph, it is clear that both refractive index (n) and extinction coefficient (k) rely upon wavelength and coefficient of absorption.
5: shows the variation of extinction coefficient (K=[alpha][lambda]/4[pi]) of (PVA-PAA-PVP-MgO) nanocomposites with the wavelength for different concentrations of magnesium oxide nanoparticles.
5] were determined according to Omura and Sato [11], using molar extinction coefficient 91 [cm.