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Author Connick, R. E. ♦ Paul, A. D.
Sponsorship USDOE
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword CHEMISTRY ♦ COMPLEXES ♦ FLUORIDES ♦ HYDROGEN ♦ IONS ♦ MERCURY ALLOYS ♦ PHOTOMETRY ♦ SILVER ♦ SOLUTIONS ♦ SPECTRA ♦ THERMODYNAMICS ♦ TIN ♦ URANYL COMPOUNDS ♦ WATER
Abstract Previous work on the fluoride complexing of argentous ion was repeated at an ionic strength of 0.5 M and as a function of temperature to yield values for the equilibrium constant, heat, and entropy of formation of the first fluoride complex. A value for the first fluoride complex of stanous ion was measured at 25' using both an emf method and a spectrophotometric method. The former made use of the tin amalgam- stannous ion couple while the latter depended on uranyl ion as a spectrophotometric indicator for fluoride ion. Although the results of the two methods are in substantial agreement with each other, the values of the equilibrium quotient as a function of stannous ion and hydrogen ion concentrations are not constant. No explanation was found for the discrepancy. (auth)
ISSN 00223654
Educational Use Research
Learning Resource Type Article
Publisher Date 1961-07-01
Publisher Department Univ. of California, Berkeley
Journal Journal of Physical Chemistry
Volume Number 65
Organization Univ. of California, Berkeley


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