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  • 1995-1999  (2)
  • Raman spectroscopy  (1)
  • Supercritical fluid chromatography  (1)
  • Biphenyl polysiloxane
  • 1
    Electronic Resource
    Electronic Resource
    Development of a universal Raman detector for microchromatography (1997)
    Springer
    Chromatographia 44 (1997), S. 257-262 
    Details
    ISSN: 1612-1112
    Keywords: Column liquid chromatography ; Microchromatography ; Raman spectroscopy ; Deuterated solvents
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary A detector for microchromatography in which Raman spectroscopy is used to identify the eluted species has been developed. The detector is designed to be applicable to a wide range of compounds without requiring the presence of a chromophore. Its use is illustrated in the analysis of nitro compounds on a 250 μm i.d. column. Raman spectra of each of the compounds could be identified as they passed the detector. The advatages of the use of fully deuterated solvents are demonstrated by the analysis of nitrobenzenes in methanol/water mobile phases. The detection limit for nitrobenzene using the Raman line at 1342 cm−1 was 75ng.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02466391
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A computational study of the chromatographic separation of racemic mixtures (1995)
    Springer
    Chromatographia 41 (1995), S. 161-166 
    Details
    ISSN: 1612-1112
    Keywords: Supercritical fluid chromatography ; Molecular mechanics ; Chiral stationary phase ; Matrix interaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary A model is devised using molecular mechanics to simulate chromatographic separations of enantiomers. Theoretical results derived from this model are compared with experimental findings obtained using supercritical fluid chromatography. The model is then developed to incorporate the effects of binding the stationary phase to a matrix. Computed results show that addition of the matrix into the model has significant effects on the ability of the stationary phase to separate racemic mixtures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02267948
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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