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Infrared Spectroscopy Characterization of Marine Shells

Published online by Cambridge University Press:  17 March 2011

Octavio Gomez-Martinez
Affiliation:
Applied Physics Department, Cinvestav-Unidad Mérida, C. Ant. a Prog. km. 6, A.P. 73 Cordemex, Mérida Yucatán, 97310, México
Daniel H. Aguilar
Affiliation:
Applied Physics Department, Cinvestav-Unidad Mérida, C. Ant. a Prog. km. 6, A.P. 73 Cordemex, Mérida Yucatán, 97310, México
Patricia Quintana
Affiliation:
Applied Physics Department, Cinvestav-Unidad Mérida, C. Ant. a Prog. km. 6, A.P. 73 Cordemex, Mérida Yucatán, 97310, México
Juan J. Alvarado-Gil
Affiliation:
Applied Physics Department, Cinvestav-Unidad Mérida, C. Ant. a Prog. km. 6, A.P. 73 Cordemex, Mérida Yucatán, 97310, México
Dalila Aldana
Affiliation:
Marine Resources Department Cinvestav-Unidad Mérida, C. Ant. a Prog. km. 6, A.P. 73 Cordemex, Mérida Yucatán, 97310, México
Laura L. Diaz-Flores
Affiliation:
Cinvestav-Unidad Querétaro Libramiento Norponiente No. 2000, Fracc. Real de Juriquilla. Querétaro, Qro. 76230 México
Martin Yañez-Limon
Affiliation:
Cinvestav-Unidad Querétaro Libramiento Norponiente No. 2000, Fracc. Real de Juriquilla. Querétaro, Qro. 76230 México
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Abstract

Fourier Transform infrared spectroscopy has been employed to study the shells of two kind of mollusks, American oysters (Crassostrea virginica) and mussels (Ischadium recurvum). It is shown that it is possible to distinguish the different calcium carbonate lattice vibrations in each case, mussel shells present aragonite vibration frequencies, and the oyster shells present those corresponding to calcite. The superposition, shift and broadening of the infrared bands are discussed. Changes in the vibration modes due to successive thermal treatments are also reported.

Type
Research Article
Copyright
Copyright © Materials Research Society 2002

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References

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