Effects of acid, sodium and its salt counterions on the atomic emission of copper and zinc in plasma pencil

Dvořáková, Magda; Hrdlička, Aleš; Slavíček, Pavel; Kanický, Viktor

doi:10.1039/c9ja00312f

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2024

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“…resonance broadening) [56]. In addition, Stark broadening was shown to play a role in the plasma pencil [57].…”

Section: Spectral Profile Of the Excitation Linementioning

confidence: 98%

Concentration measurements of atomic nitrogen in an atmospheric-pressure RF plasma jet using a picosecond TALIF

Khan,

Dvořák,

Bolouki

et al. 2024

Plasma Sources Sci. Technol.

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The absolute concentration and spatial distribution of ground-state atomic nitrogen (N) in an atmospheric pressure plasma jet were measured using the two-photon absorption laser-induced fluorescence (TALIF). The jet was ignited by radio frequency (RF) voltage in argon (or argon with nitrogen admixture) flowing through a silica tube. The spatially resolved measurements of atomic nitrogen concentration were realized in the effluent of the jet. In a pure argon plasma, the N concentration was increased with the distance from the silica tube and reached the maximum value (8*1014 cm-3) at the distance of 15 mm, and then sharply decreased at the end of the plume. On the contrary, plasma ignited in Ar with nitrogen admixture, the maximum N concentration was located directly at the end of the silica tube, where plasma starts to blow out into the ambient air. The highest N concentrations for 0.5 % and 2 % of N2 in the feed gas were 3*1015 cm-3 and 8*1015 cm-3, respectively.

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“…resonance broadening) [56]. In addition, Stark broadening was shown to play a role in the plasma pencil [57].…”

Section: Spectral Profile Of the Excitation Linementioning

confidence: 98%

Concentration measurements of atomic nitrogen in an atmospheric-pressure RF plasma jet using a picosecond TALIF

Khan,

Dvořák,

Bolouki

et al. 2024

Plasma Sources Sci. Technol.

View full text Add to dashboard Cite

show abstract

Effects of acid, sodium and its salt counterions on the atomic emission of copper and zinc in plasma pencil

Abstract: Copper, zinc and sodium atomic line emissions in the pencil plasma under the influence of easily ionizable elements (EIE), counterions and nitric acid were studied.

Cited by 1 publication

References 33 publications

Concentration measurements of atomic nitrogen in an atmospheric-pressure RF plasma jet using a picosecond TALIF

Concentration measurements of atomic nitrogen in an atmospheric-pressure RF plasma jet using a picosecond TALIF

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