Alkali Analysis Using Light Reflected from the Grating of an Optical Emission Spectrometer

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Abstract:

A modification to a vacuum direct reading optical emission spectrometer is described. The light reflected from the grating is focussed onto the entrance slit of a secondary monochromator to extend the range of wavelengths available. Results for the analysis of sodium in mineral, rock, and ash samples by a fusion briquette method are given. The application to the analysis of other alkalis and to background correction is discussed.

Keywords: Emission spectroscopy; Optical modification; Sodium analysis

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370275774455293

Affiliations: The Broken Hill Proprietary Company Limited, Central Research Laboratories, Shortland, N.S.W. 2307, Australia

Publication date: March 1, 1975

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