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High Resolution Atomic Absorption Spectrometry with a Scanning Fabry-Perot Interferometer

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A stable, piezoelectric scanning Fabry-Perot interferometer is used in conjunction with a conventional grating monochromator to obtain an over-all spectral bandwidth of 0.013 Å with moderate light-gathering power. A multilayer dielectric reflective coating is used for atomic absorption measurements with a continuum source in the 3200 to 3600 Å region. Results for Cu and Ag show that sensitivities obtained are the same as those obtained with line sources. Profiles of the 3247 Å copper and 3383 Å silver resonance lines were obtained, and the half-widths reported.

Keywords: Atomic absorption spectroscopy; Continuum sources; Copper; High resolution; Instrumentation, atomic absorption; Interferometers; Silver

Document Type: Research Article


Affiliations: 1: Department of Chemistry, University of Houston, Houston, Texas 77004 2: Department of Chemistry, University of Houston, Houston, Texas 77004; present address: Enjay Chemicals, Houston, Tex

Publication date: September 1, 1973

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