A Rotating-Disk Sample Holder for the Sparking of Flat-Metal-Disk Samples

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Abstract:

Interelement effects are often experienced between the various constituents of metal alloys, when analyzed in spark or arc discharges. Investigating the effects due to varying composition of the analytical material in the discharge column, by time-resolved spectroscopy, to better explain interelement effects, precautions must be taken to safeguard against the effects of selective evaporization, which are not interelement effects in the true sense. Introducing fresh sample into the analytical gap for each discharge offers a means to overcome the effects of selective evaporization.

Keywords: Emission spectroscopy instrumentation; Spectroscopic technique

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370271779950995

Affiliations: Department of Physics, University of Stellenbosch, South Africa

Publication date: November 1, 1971

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