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An Improved Sensitive Nonselective Radiofrequency Detector for Gas Chromatography

William J. McCarthy, M. S. Lazarus

Open publisher page 3 citations

Abstract

SUMMARY A dielectric-constant-response radiofrequency detector for gas chromatography is described. The detector is extremely sensitive to organic vapors; it should display general response to compounds which have a dielectric constant different than the carrier gas. Limits of detection have been significantly decreased when compared to previously suggested designs for radio-frequency detectors. The detector is physically small and readily compatible with commercially available chromatographs. A theory for the signal response of the detector is proposed.

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What this paper is about

SUMMARY A dielectric-constant-response radiofrequency detector for gas chromatography is described. The detector is extremely sensitive to organic vapors; it should display general response to compounds which have a dielectric constant different than the carrier gas. Limits of detection have been significantly decreased when compared to previously suggested designs for radio-frequency detectors. The detector is physically small and readily compatible with commercially available chromatographs. A theory for the signal response of the detector is proposed.

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Available abstract

SUMMARY A dielectric-constant-response radiofrequency detector for gas chromatography is described. The detector is extremely sensitive to organic vapors; it should display general response to compounds which have a dielectric constant different than the carrier gas. Limits of detection have been significantly decreased when compared to previously suggested designs for radio-frequency detectors. The detector is physically small and readily compatible with commercially available chromatographs. A theory for the signal response of the detector is proposed.

Key concepts: Detector, Gas chromatography, SIGNAL (programming language), Chromatography, Electron capture detector, Chemistry, Gas chromatography ion detector, Analytical Chemistry (journal)

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