BioMed Research International / 2015 / Article / Fig 6

Research Article

Mass Spectral Profile for Rapid Differentiating Beta-Lactams from Their Ring-Opened Impurities

Figure 6

High energy activated CID spectra of cefixime (a) and ring-opened cefixime (b). The spectra were obtained with a Q-TOF under the mode of auto MS/MS. The activating voltages were 27.7 volt and 28.6 volt, respectively.

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