Counter-current gas

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Counter-current gas
Stream of inert gas, often heated, that is used in an electrospray or other spray ionization source to aid in the evaporation of solvent from the sprayed particles. The flow of the gas is in the direction opposite to that of the spray.
Note: Curtain gas is a proprietary term used to indicate a flow of counter-current gas emanating from between two closely spaced plates each with a central orifice along the axis of a spray ionization source. The term should only be used to describe the commercial device.
Related Term(s): drying gas
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B. Thomson, J. Iribarne, P. Dziedzic. Anal. Chem. 54, 2219 (1982). ( )
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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