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] |