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Russian Journal of Physical Chemistry A

, Volume 92, Issue 5, pp 823–828 | Cite as

Thermodynamic Characteristics of Reactions of the Formation of Complexes between Triglycine and Ni2+ Ions in Aqueous Solution

  • G. G. Gorboletova
  • A. A. Metlin
  • S. A. Bychkova
Chemical Thermodynamics and Thermochemistry
  • 16 Downloads

Abstract

Thermal effects of reactions of the formation of complexes between Ni(II) and triglycine are determined via direct calorimetry in aqueous solutions at 298.15 K and ionic strengths of 0.2, 0.5, and 1.0 (KNO3). Standard thermodynamic characteristics (ΔrH°, ΔrG°, ΔrS°) of complexing processes in the investigated systems are calculated. The structures of triglycinate complexes NiL+, NiH−1L, NiL2, NiH−2L2−2, NiL-3, and NiH−3L4−3 are introduced to compare the obtained values and data on the thermodynamics of triglycinate complexes of Ni(II).

Keywords

calorimetry thermal effects reactions of formation Ni(II) complexes thermodynamic characteristics complexing processes 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • G. G. Gorboletova
    • 1
  • A. A. Metlin
    • 1
  • S. A. Bychkova
    • 1
  1. 1.Ivanovo State Universiy of Chemistry and TechnologyIvanovoRussia

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