The effect of elevated temperature on the complexation of am3+ with chloride

The effect of elevated temperature on the complexation of am3+ with chloride

The temperature dependence of the formation of the 1:1 Am^sup 3+^-Cl^sup -^ solution complex is reported. Stability constants were determined as a function of temperature using a solvent extraction technique. The stability constant for the formation of the AmCl^sup 2+^ complex is measurably higher a...

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Veröffentlicht in:Biological trace element research 1999-12, Vol.71-72 (1), p.647-647
Hauptverfasser: Yeh, Minfang, Maddison, Andrew P., Clark, Sue B.
Format: Artikel
Sprache:eng
Schlagworte:
Enthalpy
High temperature
Solvent extraction
Temperature
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Zusammenfassung:The temperature dependence of the formation of the 1:1 Am^sup 3+^-Cl^sup -^ solution complex is reported. Stability constants were determined as a function of temperature using a solvent extraction technique. The stability constant for the formation of the AmCl^sup 2+^ complex is measurably higher at 50[double dagger]C compared to values determined under ambient conditions. From these studies, we have estimated the enthalpy of complexation in this temperature range. A small, positive enthalpy was observed. The results are discussed in the context of previous studies.[PUBLICATION ABSTRACT]
ISSN:0163-4984
1559-0720
DOI:10.1007/BF02784259