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A direct current capillary arc operating in argon at atmospheric pressure has been combined with a device which produces fine particles directly from the surface of a solid metal sample. The aerosol generator is a simple device in which the sample acts as the cathode of a dc arc discharge.
Rapid movement of the cathode spot produces uniform sampling over a well-defined area. A flowing gas stream transports the aerosol particles to the capillary arc discharge. Reproducibility and analytical curves are shown for ten elements in low alloy, stainless, and tool steel samples, for
total analytical times of 10 sec.
Hasler Research Center, Applied Research Laboratories, Goleta, California 93017
Publication date: November 1, 1971
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The Society publishes the internationally recognized, peer reviewed journal, Applied Spectroscopy, which is available both in print and online. Subscriptions are included with membership or can be purchased by institutional or corporate organizations. Abstracts may be viewed free of charge. Previously published as Bulletin (Society for Applied Spectroscopy)