Intracavity Atomic Absorption with an Inductively Coupled Plasma Atomizer

Authors: Downey, S.W.; Nogar, N.S.

Source: Applied Spectroscopy, Volume 38, Issue 6, Pages 755-910 (November/December 1984) , pp. 876-879(4)

Publisher: Society for Applied Spectroscopy

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Abstract:

An inductively coupled plasma is placed inside the cavity of a flashlamp-pumped dye laser and atomic absorption is measured with the use of an optogalvanic detector. An enhancement factor of 170 is shown for intracavity absorption relative to single-pass, extracavity absorption. Both atom and ion lines can be monitored by this technique. Detection limits of 1 μg/mL for sodium and 0.1 μg/mL for barium were observed. The major noise source is pulse-to-pulse fluctuation in the laser output.

Keywords: Intracavity; Inductively coupled plasma; Atomic absorption

Document Type: Research article

DOI: http://dx.doi.org/10.1366/0003702844554620

Affiliations: 1: University of California, Los Alamos National Laboratory, Chemistry Division, Los Alamos, New Mexico 87545

Publication date: 1984-11-01

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