Dickinson, Roscoe G. and Dillon, Robert T. (1929) The Raman Spectrum of Gypsum. Proceedings of the National Academy of Sciences of the United States of America, 15 (9). pp. 695-699. ISSN 0027-8424. https://resolver.caltech.edu/CaltechAUTHORS:DICpnas29b
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Abstract
In an investigation of the Raman spectra of some ionized substances in aqueous solution, it was found [1] that the frequency shift given by a solution of potassium carbonate was in fairly close agreement with the strongest shift given by calcite. Data for such a comparison in other cases do not appear to exist, for change of frequency on scattering has been measured for only a few crystalline substances. In addition to calcite [2,3,5], these are quartz [2,3,4,5], ice [5], and topaz [6]. No modified frequencies were found in the light scattered by halite [2], NaCl, fluorite [5], CaF2, or by the salts [7] LiF and NaF. In the present paper are described the results of measurements on gypsum, CaSO4•2H20, and a comparison of these with data on ammonium sulfate solution.
| Item Type: | Article | ||||||
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| Additional Information: | Copyright © 2005 by the National Academy of Sciences Communicated July 27, 1929 | ||||||
| Issue or Number: | 9 | ||||||
| Record Number: | CaltechAUTHORS:DICpnas29b | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:DICpnas29b | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 5951 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Archive Administrator | ||||||
| Deposited On: | 09 Nov 2006 | ||||||
| Last Modified: | 02 Oct 2019 23:28 |
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