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Computer Optics, 2016, Volume 40, Issue 4, Pages 508–515 (Mi co245)  

OPTO-IT

Peculiarities of spectral measurements of colored suspensions in thick-walled cuvettes

N. V. Nel置binaa, M. P. Pidgirnyb, O. N. Bulgakovab, A. A. Zvekova, A. V. Kalenskiib

a Federal Research Center of Coal and Coal Chemistry SB RAS
b Kemerovo State University

Abstract: The cuvette wall and sample thickness can significantly affect the results of spectral measurements of the suspension in a hardly predictable manner. We propose an approach to accounting for the cuvette wall thickness in the limiting case of thick walls and a thin sample layer when calculating the diffuse reflectance and transmittance using a one-dimensional radiative transport equation. The comparison with the experimental results for a model colored suspension is made. It is shown that with the cuvette wall influence taken into account it becomes possible to account for the fact that the scattered light fails to fully fit within the integrating sphere. There is good agreement between the experimental and calculated spectra provided that the scattering anisotropy factor is predetermined in a wavelength range where the pigment used does not absorb light.

Keywords: turbid media, chemical analysis, total internal reflection, integrating spheres, spectroscopy, and spherical harmonics.

Funding Agency Grant Number
Russian Foundation for Basic Research 14-03-00534 タ
Ministry of Education and Science of the Russian Federation フハ-4331.2015.2
ヘネミ ケ 3603
The work was supported by the Russian Federal Property Fund (ケ 14-03-00534 A), the RF President grant (MK-4331.2015.2) and the Ministry of Education and Science of the Russian Federation (NCI number 3603 on the instructions number 2014/64).


DOI: https://doi.org/10.18287/2412-6179-2016-40-4-508-515

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Full text: http://www.computeroptics.smr.ru/.../400410.html
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Received: 14.07.2016
Accepted:08.08.2016

Citation: N. V. Nel置bina, M. P. Pidgirny, O. N. Bulgakova, A. A. Zvekov, A. V. Kalenskii, “Peculiarities of spectral measurements of colored suspensions in thick-walled cuvettes”, Computer Optics, 40:4 (2016), 508–515

Citation in format AMSBIB
\Bibitem{NelPidBul16}
\by N.~V.~Nel置bina, M.~P.~Pidgirny, O.~N.~Bulgakova, A.~A.~Zvekov, A.~V.~Kalenskii
\paper Peculiarities of spectral measurements of colored suspensions in thick-walled cuvettes
\jour Computer Optics
\yr 2016
\vol 40
\issue 4
\pages 508--515
\mathnet{http://mi.mathnet.ru/co245}
\crossref{https://doi.org/10.18287/2412-6179-2016-40-4-508-515}


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