Standard thermodynamic functions and constants of complex formation of Nd3+ and La3+ with L-asparagine in aqueous solutions at 298 K

Standard thermodynamic functions and constants of complex formation of Nd3+ and La3+ with L-asparagine in aqueous solutions at 298 K

The enthalpies of complex formation of L-asparagine (HAsn ± ) with Nd 3+ and La 3+ ions are determined calorimetrically at 298.15 K and an ionic strength of 0.5 (KNO 3 ). The thermodynamic characteristics of the formation of the NdAsn 2+ , NdAsn 2+ , LaAsn 2 + , and LaAsn 2 + complexes are calculate...

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Veröffentlicht in:Russian Journal of Physical Chemistry A 2016-12, Vol.90 (12), p.2383-2386
Hauptverfasser: Lytkin, A. I., Chernyavskaya, N. V., Chernov, A. S., Litvinenko, V. E.
Format: Artikel
Sprache:eng
Schlagworte:
Aqueous solutions
Chemistry
Chemistry and Materials Science
Complex formation
Enthalpy
Physical Chemistry
Physical Chemistry of Solutions
Thermodynamics
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Zusammenfassung:The enthalpies of complex formation of L-asparagine (HAsn ± ) with Nd 3+ and La 3+ ions are determined calorimetrically at 298.15 K and an ionic strength of 0.5 (KNO 3 ). The thermodynamic characteristics of the formation of the NdAsn 2+ , NdAsn 2+ , LaAsn 2 + , and LaAsn 2 + complexes are calculated.
ISSN:0036-0244
1531-863X
DOI:10.1134/S0036024416120207