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Volume change on the formation of the complex EDTA-Mg2+ in water at 25° C

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Abstract

The volume of the chelate formation between ethylenediaminetetraacetic acid tetrasodium salt and the Mg2+ cation in water was measured for the first time. The volume of the complex formation increases with dilution of the solution and reaches the limit of 29.9±3 cm3 mol−1 at 25 °C. The changes in the volume during the chelation and the entropy of the complex formation were compared.

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Authors and Affiliations

  1. A. M. Butlerov Chemical Institute, Kazan Federal University, 18 ul. Kremlevskaya, 420008, Kazan, Russian Federation

    V. D. Kiselev, E. A. Kashaeva, I. I. Shakirova & A. I. Konovalov

Authors
  1. V. D. Kiselev
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  2. E. A. Kashaeva
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  3. I. I. Shakirova
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  4. A. I. Konovalov
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Corresponding author

Correspondence to V. D. Kiselev.

Additional information

Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1739–1740, August, 2011.

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Kiselev, V.D., Kashaeva, E.A., Shakirova, I.I. et al. Volume change on the formation of the complex EDTA-Mg2+ in water at 25° C. Russ Chem Bull 60, 1766–1768 (2011). https://doi.org/10.1007/s11172-011-0261-1

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  • DOI: https://doi.org/10.1007/s11172-011-0261-1

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