1995
DOI: 10.1366/0003702953964976
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Inverse Problem in Diffuse Reflectance Spectroscopy: Accuracy of the Kubelka-Munk Equations

Abstract: In diffuse reflectance spectroscopy the Kubelka-Munk equations have been used extensively. These equations provide simple solutions to the inverse problem of obtaining information on the scattering and absorption cross sections from reflected light. Proof is provided that the basic Kubelka-Munk equation [Formula: see text] should be replaced by the equation [Formula: see text] and that the Kubelka-Munk function [Formula: see text] should be replaced by the function [Formula: see text] Here r( x) is the… Show more

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Cited by 63 publications
(33 citation statements)
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“…The FTIR spectrum of commercial ZnO powder showed a band below 500 cm −1 related to the characteristic adsorptions of ZnO. [50][51][52] The broad peak at ~3,120 cm −1 can be attributed to the vibration of OH groups of the adsorbed water molecules, and other small peaks 1,233, 1,348, and 1,750 cm −1 are related to the adsorbed carbonate moieties. 51,53 Figure 1 Schematic illustration of the synthesized polypyrrole/zinc oxide (ZnO)/chitosan bionanocomposite film at the surface of the electrode.…”
Section: Resultsmentioning
confidence: 99%
“…The FTIR spectrum of commercial ZnO powder showed a band below 500 cm −1 related to the characteristic adsorptions of ZnO. [50][51][52] The broad peak at ~3,120 cm −1 can be attributed to the vibration of OH groups of the adsorbed water molecules, and other small peaks 1,233, 1,348, and 1,750 cm −1 are related to the adsorbed carbonate moieties. 51,53 Figure 1 Schematic illustration of the synthesized polypyrrole/zinc oxide (ZnO)/chitosan bionanocomposite film at the surface of the electrode.…”
Section: Resultsmentioning
confidence: 99%
“…Eclética Química Journal, vol. 44, n. The UV-VIS absorption spectra of sunscreen formulations obtained by Kubelka-Munk equation 33 are shown in Fig. 7.…”
Section: Optical Propertiesmentioning
confidence: 99%
“…The optical properties of these three samples were examined by measuring their UV/Vis diffuse reflectance spectra, and their light absorbance spectra could be approximated by the Kubelka–Munk function . Figure a shows the light absorbance spectra of the samples compared with that of Degussa P25 TiO 2 nanoparticles; the inset shows the band gap values determined by the construction of Tauc plots ([ F ( R ) hv ] n vs. hv ) from the light absorbance data .…”
Section: Resultsmentioning
confidence: 99%