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Vagenas NV, Gatsouli A, Kontoyannis CG. Quantitative analysis of synthetic calcium carbonate polymorphs using FT-IR spectroscopy. Talanta. 2003;59(4):831-6doi: 10.1016/S0039-9140(02)00638-0.
Vagenas, N. V., Gatsouli, A., & Kontoyannis, C. G. (2003). Quantitative analysis of synthetic calcium carbonate polymorphs using FT-IR spectroscopy. Talanta, 59(4), 831-6. https://doi.org/10.1016/S0039-9140(02)00638-0
Vagenas, N V, et al. "Quantitative analysis of synthetic calcium carbonate polymorphs using FT-IR spectroscopy." Talanta vol. 59,4 (2003): 831-6. doi: https://doi.org/10.1016/S0039-9140(02)00638-0
Vagenas NV, Gatsouli A, Kontoyannis CG. Quantitative analysis of synthetic calcium carbonate polymorphs using FT-IR spectroscopy. Talanta. 2003 Mar 10;59(4):831-6. doi: 10.1016/S0039-9140(02)00638-0. PMID: 18968970.
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Talanta. 2003 Mar 10;59(4):831-6. doi: 10.1016/S0039-9140(02)00638-0.

Quantitative analysis of synthetic calcium carbonate polymorphs using FT-IR spectroscopy.

Talanta

N V Vagenas, A Gatsouli, C G Kontoyannis

Affiliations

  1. Institute of Chemical Engineering and High Temperature Chemical Processes, ICEHT-FORTH, University Campus, Patras, Greece.

PMID: 18968970 DOI: 10.1016/S0039-9140(02)00638-0

Abstract

Fourier Transform Infrared Spectroscopy (FT-IR) was used successfully for the simultaneous quantitative analysis of calcium carbonate phases (calcite, aragonite, vaterite) in ternary mixtures. From the FT-IR spectra of pure calcite, aragonite and vaterite powders with KBr, the absorptivities, alpha, of the absorption bands at 713 cm(-1) for calcite, 745 cm(-1) for vaterite, 713 and 700 cm(-1) for aragonite, were determined. In order to overcome the absorption band overlapping a set of equations based on Beer's law was developed. The detection limits were also established and found to be 1.1 x 10(-4) mg calcite per mm(2) of pellet at 713 cm(-1), 3.6 x 10(-4) mg aragonite per mm(2) of pellet at 700 cm(-1), 1.8 x 10(-4) mg aragonite per mm(2) of pellet at 713 cm(-1) and 3.1 x 10(-4) mg vaterite per mm(2) of pellet at 745 cm(-1). Analysis of a known ternary mixture of calcium carbonate polymorphs tested the validity of the method.

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