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Table 1 Langmuir parameters used to model sorption of DOM and citric acid to 2-line ferrihydrite

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

Organic C source Calcium treatment Smax (mmol OC g−1 ferrihydrite) K E
DOM No Ca control 23.13 ± 0.7455 0.004 ± 0.001 0.978
4 mM Ca 23.41 ± 0.5125 0.006 ± 0.001 0.989
Citric acid No calcium 11.32 ± 0.4690 0.005 ± 0.001 0.967
4 mM Ca 10.89 ± 0.6903 0.008 ± 0.002 0.906
  1. S max predicted maximum sorbed concentration; K sorption constant; E model efficiency