Effect of Aging on the Adsorption of Tetracycline by Humic Acid: Insight into the Morphology and Chemical Composition

Figure 7

(a) FT-IR spectra of HA sample and HA after adsorbed different concentrations of TC; (b) synchronous and (c) asynchronous 2D correlation maps generated from the FT-IR.

(a)

(b)

(c)