Flame spectra of the rare-earth elements |
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| Affiliation: | 1. Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;2. Key Laboratory of Quantum Optics, Chinese Academy of Sciences, Shanghai 201800, China;3. University of Chinese Academy of Sciences, Beijing 100049, China;4. PreciLasers Co. Ltd., Shanghai 201822, China;1. Centre for Cold Matter, Blackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, UK;2. Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ 85287-1604, United States;1. Institut des Matériaux Jean Rouxel (IMN), Université de Nantes, UMR CNRS 6502, 44322 Nantes, France;2. Institut des Sciences Chimiques de Rennes (ISCR), Université de Rennes 1, UMR CNRS 6226, 35042 Rennes, France |
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| Abstract: | The rare-earth elements, including scandium and yttrium, emit intense line spectra when absolute ethanol solutions of rare-earth halide or perchlorate salts are aspirated into fuel-rich, oxy-acetylene flames. Recordings of the spectra are given, along with the exact wavelengths of about 1200 of the strongest lines. A discussion of the analytical utility of the stronger lines and excitation processes which may account for the appearance of these spectra is included. |
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