We have recently published the details of a variable-pressure inductively coupled (27 MHz) plasma torch which operates with very low total gas consumption, with low rf power, and with a wide variety of plasma support gases, including helium. Because of these particular features, this torch is also able to be used as a GC detector and as a small-volume gas sampling sensor when used with commercial ICP instrumentation. It is this latter application which is described briefly in this note.
D. C. Miller and C. J. Seliskar, "A Fast Gas Sampling System for ICP Spectrometry," Appl. Spectrosc. 40, 566-567 (1986)
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