Isotope-Ratio-Monitoring Gas Chromatography-Mass Spectrometry

@inproceedings{DEMatthews2002IsotopeRatioMonitoringGC,
  title={Isotope-Ratio-Monitoring Gas Chromatography-Mass Spectrometry},
  author={’ D.E.Matthews and Joseph M. Hayes},
  year={2002}
}
RECEIVED for review February 21, 1978. Accepted June 19, 1978. NMR spectra since two distinct peaks (6 -3.38, 3.78 ppm) caused by these protons are observed in CDCA vs. only one peak (6 -3.45 ppm) caused by the same protons in UDCA. T h e fingerprint region of the spectrum (6 1-2.5 ppm) and the relative position of the CIS methyl peak with respect to tha t of the doublet caused by the Cpl methyl group provide additional confirmation of the identity of the particular epimer. Accurate… CONTINUE READING

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