On the operation of inductively coupled plasmas as a function of pressure

Thomas R. Smith, M Bonner Denton

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The effect of pressure on the operating conditions within a 27-MHz inductively coupled plasma is investigated. The results show a direct relationship between torch pressure and the excitation temperature of an analyte species introduced into the plasma. The excitation temperature of the plasma support gas is shown to increase with torch pressure. A shift towards local thermal equilibrium is also observed with increasing pressure. The possibility of using alternate plasma support gases such as He is also investigated.

Original languageEnglish (US)
Pages (from-to)1227-1237
Number of pages11
JournalSpectrochimica Acta Part B: Atomic Spectroscopy
Volume40
Issue number9
DOIs
StatePublished - 1985

Fingerprint

Inductively coupled plasma
Plasma Gases
torches
Plasmas
Plasma torches
Gases
gases
excitation
Temperature
temperature
shift

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy

Cite this

On the operation of inductively coupled plasmas as a function of pressure. / Smith, Thomas R.; Denton, M Bonner.

In: Spectrochimica Acta Part B: Atomic Spectroscopy, Vol. 40, No. 9, 1985, p. 1227-1237.

Research output: Contribution to journalArticle

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