Calcium Ionization During Sonoluminescence From CaCl2 Aqueous Solution

T. V. Gordeychuk; Гордейчук Т. В.; M. V. Kazachek; Казачек М. В.

doi:10.22184/1993-7296.FRos.2023.17.1.72.76

Calcium Ionization During Sonoluminescence From CaCl2 Aqueous Solution

Authors: Gordeychuk T.V.¹, Kazachek M.V.¹
Affiliations:
1. Pacific Oceanological Institute of the Far Eastern Branch of the Russian Academy of Sciences
Issue: Vol 17, No 1 (2023)
Pages: 72-76
Section: Optical Measurements
URL: https://journals.eco-vector.com/1993-7296/article/view/626618
DOI: https://doi.org/10.22184/1993-7296.FRos.2023.17.1.72.76
ID: 626618

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Abstract
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About the authors
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Abstract

The weak lines of CaII at 393 and 397 nm were observed upon 20 kHz insonification of 2M CaCl₂ aqueous solution in the multibubble sonoluminescence spectrum. The rough estimation of Ca ionization degree having made by comparison with the solar spectrum that indicates the significant thermodynamic nonequilibrium of processes in a cavitation bubble.

Keywords

sonoluminescence, CaCl2 aqueous solution, Ca ionization

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About the authors

T. V. Gordeychuk

Pacific Oceanological Institute of the Far Eastern Branch of the Russian Academy of Sciences

Author for correspondence.
Email: photonics@technosphera.ru
ORCID iD: 0000-0001-8425-4080

Cand. of Sc.(Phys. & Math.), Senior Scientist

Russian Federation, Vladivostok

M. V. Kazachek

Pacific Oceanological Institute of the Far Eastern Branch of the Russian Academy of Sciences

Email: photonics@technosphera.ru
ORCID iD: 0000-0001-9320-1124

Cand. of Sc. (in Chemistry), Senior Scientist

Russian Federation, Vladivostok

References

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2. Fig. 1. Normalized SL spectrum of 2 M CaCl2 aqueous solution at a resolution of 0.6 nm and the modified solar emission spectrum at a resolution of 0.3 nm