Abstract

Effect of baseline drift on perturbation–correlation moving-window two-dimensional (PCMW2D) correlation spectroscopy was investigated using a set of simulated spectra. It was revealed that an increase or decrease of a baseline intensity leads to a positive or negative synchronous PCMW2D correlation baseline and an increase or decrease of an actual peak intensity on the baseline drift leads to a positive or negative synchronous PCMW2D correlation peak or valley on the correlation baseline, respectively.

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