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The Effect of Neon and Argon Additions on Improving Selectivities in the Helium Afterglow Discharge Detector

Volume 44, Number 6 (July 1990) Page 1074-1079

Zamzow, D.; D'Silva, A.P.


The ultraviolet (UV) spectra of the helium (He) afterglow and mixed gas helium-neon (He-Ne) and helium-argon (He-Ar) afterglows are presented. The effect of Ne and Ar on the He afterglow background spectrum and on the selectivities (versus carbon) for sulfur and phosphorus detection in the UV region is discussed.