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Cr(VI) sorption/desorption on untreated and mussel-shell-treated soil materials: fractionation and effects of pH and chromium concentration

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Figure

Table 1. Materials investigated and abbreviations used to designatethem.
Table 2. General characteristics of the solid materials (average values for three replicates, with coefficients of variation always < 5 %).
Table 3. Fitting of the various materials to the Freundlich model.
Table 4. Desorbed Cr (mg kg−1 and % of the amount previously retained) when 0, 0.5, 5, 10, 25, 50, or 100 mg L−1 Cr was previously addedto the various materials.
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