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Quantification of CaCO3-CaSO3 center dot 0.5H(2)O-CaSO4 center dot 2H(2)O mixtures by FTIR analysis and its ANN model
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Date
2004-02-01
Author
Boke, H
Akkurt, S
Ozdemir, S
Gokturk, EH
Saltık, Emine Nevin
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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A new quantitative analysis method for mixtures of calcium carbonate (CaCO3), calcium sulphite hemihydrate (CaSO3.1/2H(2)O) and gypsum (CaSO4.2H(2)O) by FTIR spectroscopy is developed. The method involves the FTIR analysis of powder mixtures of several compositions on KBr disc specimens. Intensities of the resulting absorbance peaks for CaCO3, CaSO3.1/2H(2)O and CaSO4.2H(2)O at 1453, 980, 1146 cm(-1) were used as input data for an artificial neural network (ANN) model, the output being the weight percent compositions of the mixtures. The training and testing data were randomly separated from the complete original data set. Testing of the model was done with successfully low-average error levels. The utility of the model is in the potential ability to use FTIR spectrum to predict the proportions of the three substances in unknown mixtures.
Subject Keywords
Characterization methods
,
Computer simulation
,
Modelling
,
Artificial neural networks
,
FTIR
,
Sulphur dioxide
,
Calcium carbonate
,
Gypsum
URI
https://hdl.handle.net/11511/31795
Journal
MATERIALS LETTERS
DOI
https://doi.org/10.1016/j.matlet.2003.07.008
Collections
Graduate School of Natural and Applied Sciences, Article
Citation Formats
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BibTeX
H. Boke, S. Akkurt, S. Ozdemir, E. Gokturk, and E. N. Saltık, “Quantification of CaCO3-CaSO3 center dot 0.5H(2)O-CaSO4 center dot 2H(2)O mixtures by FTIR analysis and its ANN model,”
MATERIALS LETTERS
, vol. 58, no. 5, pp. 723–726, 2004, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/31795.