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High-resolution Glass Capillary Gas Chromatography with a Metastable Transfer Emission Spectrometry Detector

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Previous publications from this laboratory have demonstrated the utility of metastable transfer emission spectrometry (MTES) for the detection of hydrocarbons, oxy- and phosphoorganics, metal alkyls, and hydrides. MTES is a gas-phase technique in which the compounds of interest react with active nitrogen, produced by a microwave discharge, to yield chemiluminescent reaction products. For example, carbon-, oxygen-, and phosphorous-containing compounds are detected after reacting with active nitrogen at 8 to 30 Torr by monitoring the following emission lines:

—C— + active nitrogen → CN(B 2Σ+X 2Σ+), 383 to 388 nm

R—O—H + active nitrogen → OH(A 2Σ+X 2Π), 302.2 nm

—P— + active nitrogen → PN(A 2Π → X 2Σ), 251.8 nm

Keywords: Activation analysis; Emission spectroscopy; Glass capillary gas chromatography; Instrumentation, GC detector

Document Type: Research Article


Affiliations: Laboratory Operations, The Aerospace Corporation, El Segundo, California 90009

Publication date: September 1, 1982

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