Inductively coupled plasma torch structure with flared outlet
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United States of America
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Feb 4, 2025
Grant Date -
Oct 27, 2022
app pub date -
Apr 21, 2022
filing date -
Apr 21, 2022
priority date (Note) -
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Abstract
An inductively coupled plasma (ICP) torch is described that includes a tapered outer end. A system embodiment includes, but is not limited to, a tubular sample injector configured to receive an aerosolized sample in an interior defined by walls of the tubular sample injector; an inner tube surrounding at least a portion of the tubular sample injector to form a first annular space between the inner tube and the walls of the tubular sample injector, the inner tube defining at least one inlet port for introduction of an auxiliary gas into the first annular space; and an outer tube surrounding at least a portion of the inner tube to form a second annular space, the outer tube defining at least one inlet port for introduction of a cooling gas into the second annular space, the outer tube having a flared region at an outlet of the outer tube.
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