Quantitative Analysis of Dihydroxybenzenes in Complex Water Samples Using Excitation-Emission Matrix Fluorescence Spectroscopy and Second-Order Calibration

Figure 5

The profiles of the three factors from the decomposition of the data array by the PARAFAC with four factors and the corresponding pure spectra: (a) excitation spectra from PARAFAC, (b) emission spectra from PARAFAC, (c) pure excitation spectra, and (d) pure emission spectra.

(a)

(b)

(c)

(d)