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Table 2 Observed peak positions for ATR-FTIR spectra. Peak assignments and references supporting assignment are included

From: The synergistic effect of calcium on organic carbon sequestration to ferrihydrite

Peak position (cm−1) Peak assignment References
1585–1570 Asymmetric COO stretch Heckman et al. [42]; Lackovic et al. [39]
1530–1520 Aromatic C=C stretch Chen et al. [8, 14]; Gu et al. [41]
1400 Symmetric COO-stretch Gu et al. [41]; Fu and Quan [40]; Heckman et al [42]; Lackovic et al. [39]
1384 COO-Fe stretch Chen et al. [8, 14]; Fu and Quan [40]; Lackovic et al. [39]
1270 Stretching of phenolic OH Gu et al. [41]; Artz et al. [46]; Chen et al. [8, 14]
1250 OH deformation of COOH Gu et al. [8, 14]; Heckman et al. [42]
1120 Polysaccharides: C–O stretch Chen et al. [8, 14]; Heckman et al. [42]
1080 Polysaccharides: C–O stretch Artz et al. [46]; Chen et al. [8, 14]; Heckman et al. [42]
1040 Polysaccharides: C–O stretch Chorover and Amistadi [27]; Grube et al. [47]