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Thermodynamic properties of aqueous aluminate ion, AI(OH) −4 (aq)

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Abstract

The heat effect of the reactions between metallic aluminum and NaOH(aq) solution of various concentrations were calorimetrically determined. Combining with the thermodynamic properties of related substances led to the thermodynamic properties of Al(OH) −4 (aq) as following:\(\begin{gathered} \Delta _f H_m^0 = - (1503.65 \pm 1.00)kJ \cdot mol^{ - 1} \hfill \\ \Delta _f G_m^0 = - (1305.29 \pm 1.00)J \cdot mol^{ - 1} \hfill \\ S_m^0 = - (99.51 \pm 3.50)J \cdot mol^{ - 1} \cdot K^{ - 1} \hfill \\ \end{gathered} \)

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Authors and Affiliations

  1. Department of Chemistry, Central South University of Technology, 410083, Changsha, China

    Chen Qiyuan & Zeng Wenming

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  1. Chen Qiyuan
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  2. Zeng Wenming
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Project supported by the National Doctorate Program Fund of China

Synopsis of the first author Chen Qiyuan, professor, born in 1948, major research field is metallurgical physicochemistry (metallurgical thermodynamics and kinetics)

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Chen, Q., Zeng, W. Thermodynamic properties of aqueous aluminate ion, AI(OH) −4 (aq). J. Cent. South Univ. Technol. 1, 8–13 (1994). https://doi.org/10.1007/BF02652077

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  • DOI: https://doi.org/10.1007/BF02652077

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