Geodesic
Atomization of substances in a double-stage thermo-chemical reactor for analytical spectrometry
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 153 (2011) no. 1, pp. 71-84 Cet article a éte moissonné depuis la source Math-Net.Ru

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A novel system of atomization of substances for analytical atomic spectrometry is developed. Two different versions for practical realization of a double-stage thermo-chemical reactor (TCR) (spatially integrated and spatially separated) are considered. Main aspects of the “evaporation–condensation–atomization” cycle including TCR surface temperature and the distribution of analyte atoms within the gas phase are investigated with temporal, spectral, and spatial resolution. By the shadow spectral imaging technique, it is ascertained that the use of a double-stage atomization cycle makes it possible to control the diffusion processes of analyte atoms transfer at the evaporation step and also improves the uniformity of their spatial distribution in the whole volume of a thermo-chemical reactor at the atomization step.
Keywords: evaporation, atomization, thermo-chemical reactor, spatially, temporally and spectrally resolved detection.
Mots-clés : condensation 
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A. Kh. Gilmutdinov; K. Yu. Nagulin; I. V. Tsivilskii. Atomization of substances in a double-stage thermo-chemical reactor for analytical spectrometry. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 153 (2011) no. 1, pp. 71-84. http://geodesic.mathdoc.fr/item/UZKU_2011_153_1_a6/

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