Atomic Absorption Measurements in a Q-Switched Laser Plume Using Pulsed Hollow Cathode Lamps

Authors: Osten, D.E.; Piepmeier, E.H.

Source: Applied Spectroscopy, Volume 27, Issue 3, Pages 155-237 (May/June 1973) , pp. 165-170(6)

Publisher: Society for Applied Spectroscopy

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Abstract:

Quantitative atomic absorption measurements on transient plasmas induced by a Q-switched laser beam were made using pulsed hollow cathode lamps. Calibration curves were obtained for 0.002 to 0.15% Cu in an aluminum alloy and 0.013 to 0.124% Mn in graphite pellets. The dependence of the atomic absorption characteristics upon changes in laser energy and upon atmospheric gas and pressure is discussed.

Keywords: Laser microprobe; Atomic absorption; Hollow cathode lamps; Alloy analysis

Document Type: Research article

DOI: http://dx.doi.org/10.1366/000370273774333551

Affiliations: 1: Department of Chemistry, Oregon State University, Corvallis, Oregon 97331

Publication date: 1973-05-01

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