Corona discharge

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Corona discharge
Electric discharge generated in a gas, usually at atmospheric pressure, surrounding a conductor carrying a sufficiently high potential that the electric field around it ionizes the gas so as to form a plasma in the immediate vicinity of the conductor without causing complete electric breakdown or arcing.

Note: A corona discharge can also be sustained in a liquid.
Related Term(s): glow discharge ionization

F. W. Peek. Dielectric Phenomena in High-Voltage Engineering, McGraw-Hill (1929).

From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.

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