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  • Analytical Chemistry and Spectroscopy  (2)
  • 1985-1989
  • 1975-1979  (2)
  • 1977  (2)
Collection
Keywords
Publisher
Years
  • 1985-1989
  • 1975-1979  (2)
Year
  • 1
    Electronic Resource
    Electronic Resource
    The origin of aromatic solvent-induced shifts in 19F n.m.r. (1977)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 9 (1977), S. 116-117 
    Details
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Aromatic solvent-induced shifts (ASIS) in 19F n.m.r. spectra of several organic fluoro compounds have been determined in several solvents. 19F n.m.r. signals of unsaturated fluoro compounds in C6F6 and C6H6 show excess high field shifts corresponding to the term σc (solvent shift caused by chemical interactions). The mechanism of this shift is discussed in connection with the presence of an F-π interaction. A thermal study also supports this idea.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1270090214
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Study of the ν1 Raman linewidth of SO42- in acidic solutions (1977)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 6 (1977), S. 89-91 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The ν1 Raman linewidths of SO42- in NH4HSO4, NH4HSO4 + HCl and H2SO4 aqueous solutions were estimated by resolving the observed bands into several components with a Voigt profile. From their concentration dependence, the rate constants of proton transfer were estimated to be 4.5 × 1011 M-1s-1 consistently for the three kinds of acidic solutions.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250060208
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    Paper (German National Licenses)
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