Effect of Doping Gases on Microwave-Induced Emissive Spectrometric Detectors for Gas Chromatography

F. A. Serravallo; T. H. Risby

doi:10.1021/ac60363a037

Effect of Doping Gases on Microwave-Induced Emissive Spectrometric Detectors for Gas Chromatography

F. A. Serravallo, T. H. Risby

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Abstract

The effect of doping gases on a reduced pressure (1 Torr) microwave-induced helium plasma has been studied. The results show that the quantity of oxygen added as a doping gas Is critical In maximizing the selectivity and sensitivity of the microwave-induced emissive spectrometric detector for the determination of chromium. The addition of approximately 3% O₂ maximizes emission from atomic chromium and simultaneously quenches molecular emissions. Possible mechanisms of fragmentation and excitation are given.

Original language	English (US)
Pages (from-to)	2141-2145
Number of pages	5
Journal	Analytical Chemistry
Volume	47
Issue number	13
DOIs	https://doi.org/10.1021/ac60363a037
State	Published - Nov 1 1975
Externally published	Yes

ASJC Scopus subject areas

Analytical Chemistry

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10.1021/ac60363a037

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title = "Effect of Doping Gases on Microwave-Induced Emissive Spectrometric Detectors for Gas Chromatography",

abstract = "The effect of doping gases on a reduced pressure (1 Torr) microwave-induced helium plasma has been studied. The results show that the quantity of oxygen added as a doping gas Is critical In maximizing the selectivity and sensitivity of the microwave-induced emissive spectrometric detector for the determination of chromium. The addition of approximately 3% O2 maximizes emission from atomic chromium and simultaneously quenches molecular emissions. Possible mechanisms of fragmentation and excitation are given.",

author = "Serravallo, {F. A.} and Risby, {T. H.}",

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AU - Serravallo, F. A.

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N2 - The effect of doping gases on a reduced pressure (1 Torr) microwave-induced helium plasma has been studied. The results show that the quantity of oxygen added as a doping gas Is critical In maximizing the selectivity and sensitivity of the microwave-induced emissive spectrometric detector for the determination of chromium. The addition of approximately 3% O2 maximizes emission from atomic chromium and simultaneously quenches molecular emissions. Possible mechanisms of fragmentation and excitation are given.

AB - The effect of doping gases on a reduced pressure (1 Torr) microwave-induced helium plasma has been studied. The results show that the quantity of oxygen added as a doping gas Is critical In maximizing the selectivity and sensitivity of the microwave-induced emissive spectrometric detector for the determination of chromium. The addition of approximately 3% O2 maximizes emission from atomic chromium and simultaneously quenches molecular emissions. Possible mechanisms of fragmentation and excitation are given.

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Effect of Doping Gases on Microwave-Induced Emissive Spectrometric Detectors for Gas Chromatography

Abstract

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