| 光谱学与光谱分析 |
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| Characteristics of FTIR Spectra of Biogenic Aragonite in Mollusk Shells |
| ZHANG Gang-sheng, LI Xuan-hai |
| College of Chemistry and Chemical Engineering, Guangxi University, Guangxi 530004, China |
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Abstract The FTIR spectra of aragonites in outer and inner layers of thirteen species of mollusk shells were systematically measured, and the frequency variations of ν1，ν2 and ν4 bands of the aragonites with the positions of shell layers were analyzed. The results showed that the frequency of ν2 band differed in different species of shells and the positions of shell layers, but the frequencies of the other two bands were not altered, and had the same values with synthetic aragonites. In the same species of shells, the frequency of ν2 band in inner layers was greater than that in outer layers, and the frequency shift of ν2 band between inner and outer layers was in the range of 0.5-4.5 cm-1 in all studied samples. The detection of frequency shift of ν2 band in different layers of aragonitic mollusk shell was first reported in this paper.
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Received: 2004-06-10
Accepted: 2004-10-23
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Corresponding Authors:
ZHANG Gang-sheng
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| Cite this article: |
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ZHANG Gang-sheng,LI Xuan-hai. Characteristics of FTIR Spectra of Biogenic Aragonite in Mollusk Shells [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(10): 1588-1590.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2005/V25/I10/1588 |
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