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Ortega, P. G. Rodríguez; Montejo, M.; Valera, M. S.; González, J. J. López – Journal of Chemical Education, 2019
This laboratory experiment allows one to study the effect of temperature in the process of formation of hydrogen bound cyclic dimers of benzoic acid (BA). The implementation of the proposed methodology, which comprises the use of FTIR spectroscopy and quantum chemistry calculations, enables the obtaining of the thermodynamic parameters of the…
Descriptors: Science Experiments, Laboratory Experiments, Science Laboratories, College Science
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Rodríguez Ortega, P. G.; Gilbert-López, B.; Esteo Donaire, S.; Montejo, M. – Journal of Chemical Education, 2019
The use of methanol-water mixtures as solvents for sample preparations is common in many instrumental analytical procedures for compound quantification at trace concentration levels. The reliability of the analytical method depends upon several factors including consistency of instrumental setup and calibration, quality of standards used and…
Descriptors: Science Instruction, Chemistry, Spectroscopy, Science Laboratories