Protocols for SEC Experiments

SNIFTIRS is able to provide detection limits for in situ IRRAS of 10 -10 AE/E with a spectral resolution of 8-16 cm and several hours of data collection [361]. In general, application of this technique is restricted to reversible electrochemical systems. However, flow cell tactics enable one to utilize this method even when examining irreversible Faradaic processes if the 

Faguy and Marinkovic [413] studied how different potential-change protocols affect spectra measured in situ by IRRAS in the case of Faradaic reactions. These authors found that SPAIRS is more sensitive to the components in the diffuse layer. Therefore, a combination of these two protocols can provide additional information about the DL [416]. 

As an alternative, the electrode potential can be modulated quickly and a step-scan (S ) FTIR spectrometer or a dispersive spectrophotometer is used to measure spectra (Section 4.9). 

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