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Digitale Medien

Electrometric study of uranyl(II) and beryllium(II) complexes of 2,2′-dimercapto diethyl ether (1975)

Saxena, R. S. ; Sheelwant, S. S.

Springer

Monatshefte für Chemie 106 (1975), S. 1081-1084

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Details

ISSN: 1434-4475

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract Complexation of uranyl(II) and beryllium(II) ions with 2,2′-dimercaptodiethyl ether has been studied in 40% ethanolic media by potentiometric and conductometric titration techniques revealing the formation of an 1∶1 complex in either case. The stability constants of the complexes have been determined at ionic strength μ=0.1M (NaClO4) by applyingCalvin andMelchior's extension ofBjerrum's method. LogK stab values are found to be 12.60, 11.96 at 25 °C and 12.55, 11.90 at 35 °C respectively. The values of ΔG, ΔH and ΔS for the complexation reactions determined at 25 °C are also reported.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00906219

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