| Issue |
Eur. Phys. J. Appl. Phys.
Volume 71, Number 2, August 2015
The 14th International Symposium on High Pressure Low Temperature Plasma Chemistry (HAKONE XIV)
|
|
|---|---|---|
| Article Number | 20807 | |
| Number of page(s) | 6 | |
| Section | Plasma, Discharges and Processes | |
| DOI | https://doi.org/10.1051/epjap/2015140515 | |
| Published online | 15 July 2015 | |
https://doi.org/10.1051/epjap/2015140515
Density distributions of OH, Na, water vapor, and water mist in atmospheric-pressure dc helium glow plasmas in contact with NaCl solution*
Division of Quantum Science and Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, 060-8628, Japan
a e-mail: sasaki@qe.eng.hokudai.ac.jp
Received:
29
December
2014
Revised:
28
February
2015
Accepted:
10
March
2015
Published online:
15
July
2015
This paper reports the density distributions of OH, Na, water vapor and water mist in atmospheric-pressure dc helium glow plasmas in contact with NaCl solution. The densities of OH, Na and H2O had different spatial distributions, while the Na density had a similar distribution to mist, suggesting that mist is the source of Na in the gas phase. When the flow rate of helium toward the electrolyte surface was increased, the distributions of all the species densities concentrated in the neighboring region to the electrolyte surface more significantly. The densities of all the species were sensitive to the electric polarity of the power supply. In particular, we never detected Na and mist when the electrolyte worked as the anode of the dc discharge.
© EDP Sciences, 2015
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