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. 2022 Oct 25;12:17885. doi: 10.1038/s41598-022-22683-2

Figure 6.

Figure 6

ATR-FTIR spectra of adsorbed phosphates as a function of pH (7.0 or 9.0) and phosphate type (OrthoP, TripolyP, TrimetaP, HexametaP) at DIC 5 mg C L−1 from the batch experiment. All ATR-FTIR spectra were recorded in a DIC 5 mg C L−1 electrolyte solution.