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Measurements of the Viscosity of Molten Lithium Nitrate by the Oscillating-cup Method

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Abstract

New experimental data for the viscosity of molten lithium nitrate from its melting point up to about 700 K are reported. The measurements were taken, for the first time, with an oscillating-cup viscometer with an estimated uncertainty of 3 %. The obtained data were compared with previous works. It was concluded that there are still large discrepancies between different sets of data. Our data follow the Arrhenius behavior with an activation energy for viscous flow of \(E_{\eta } \hbox {= 19.3}\) \(\hbox {kJ}{\cdot }\hbox {mol}^{-1}\), slightly higher than previous recommendations.

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Authors and Affiliations

  1. Escola Superior de Tecnologia, Instituto Politécnico de Tomar, Campus da Quinta do Contador, 2300-313, Tomar, Portugal

    V. M. B. Nunes

  2. Departamento de Química e Bioquímica Faculdade de Ciências da, Universidade de Lisboa, Campo Grande, 1749-016, Lisboa, Portugal

    M. J. V. Lourenço, F. J. V. Santos & C. A. Nieto de Castro

  3. Centro de Química Estrutural, Faculdade de Ciências da, Universidade de Lisboa, Campo Grande, 1749-016, Lisboa, Portugal

    V. M. B. Nunes, M. J. V. Lourenço, F. J. V. Santos & C. A. Nieto de Castro

Authors
  1. V. M. B. Nunes
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  2. M. J. V. Lourenço
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  3. F. J. V. Santos
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  4. C. A. Nieto de Castro
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Correspondence to V. M. B. Nunes.

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Nunes, V.M.B., Lourenço, M.J.V., Santos, F.J.V. et al. Measurements of the Viscosity of Molten Lithium Nitrate by the Oscillating-cup Method. Int J Thermophys 38, 13 (2017). https://doi.org/10.1007/s10765-016-2150-1

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  • DOI: https://doi.org/10.1007/s10765-016-2150-1

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