IngentaConnect Microwave-supported Discharges

Authors: Zander, A.T.¹; Hieftje, G.M.²

Source: Applied Spectroscopy, Volume 35, Issue 4, Pages 353-448 (July/August 1981) , pp. 357-371(15)

Publisher: Society for Applied Spectroscopy

Abstract:

A review is presented on the historical, fundamental, and practical aspects of microwave-induced plasmas (MIP) and their application to spectrochemical analysis. In particular, the mechanism of formation and stabilization of a microwave discharge is explored and possible excitation processes involving analyte atoms are described. Conditions under which a MIP can be operated are delineated and instrumentation necessary for MIP spectroscopy is described in detail. Methods for sample introduction into a MIP are reviewed and evaluated critically and the performance of MIP sources in real sample determinations is evaluated. Overall, the MIP appears to be a highly promising and under-utilized source in atomic spectrometry.

Keywords: Emission spectroscopy; Instrumentation, emission spectroscopy; Instrumentation, microwave plasma; Methods, analytical

Document Type: Research article

Affiliations: 1: Department of Chemistry, Cleveland State University, Cleveland, Ohio 44115 and Department of Chemistry, Indiana University, Bloomington, Indiana 47405; present address: Spectrametrics, Inc., Andover, MA 01810 2: Department of Chemistry, Cleveland State University, Cleveland, Ohio 44115 and Department of Chemistry, Indiana University, Bloomington, Indiana 47405

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