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Helium inductively coupled plasmas for atomic spectrometry

Thesis/Dissertation ·
OSTI ID:6047247
Annular helium inductively coupled plasmas (ICPs) operated at atmospheric pressure have been developed for atomic spectrometry. Compared to the conventional argon ICP, the helium plasma exhibited superior detection power for the determination of nonmetals by atomic emission spectrometry and mass spectrometry. In general, both the emission background and the mass spectral background for the He ICP were simpler than those of the Ar ICP. Fundamental properties, such as electron number densities and plasma temperatures, were measured to characterize the annular He ICP.
Research Organization:
George Washington Univ., Washington, DC (USA)
OSTI ID:
6047247
Country of Publication:
United States
Language:
English