Browsing by Author "Buisson, David H."

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    Spectrophotometric Investigations of Aqueous Solutions at Elevated Temperatures
    (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1978, 74 (05), 1978) Alexander, Roger D.; Buisson, David H.; Dudeney, A. William L.; Irving, Roger J.
    The overall stability constants (β3) of the tris complexes of 1,10-phenanthroline, 5-nitro-1,10 phenanthroline and 2,2′-bipyridyl with iron (II) have been determined at various temperatures between 298 and 433 K by a new spectrophotometric method. The value of β3 for all three complexes decreases regularly with increasing temperature as expected. Plots of log10β3 against 1/T have been used to determine average values of the thermodynamic functions (enthalpy and entropy) of the formation reaction in aqueous solution over the experimental temperature range.