Fig. 2. (A) Amounts of AsO₄ (expressed as percentages of AsO₄ fixed in the absence of PO₄; Table 3) sorbed on goethite and gibbsite in the presence of increasing concentration of PO₄. (B) Amounts of PO₄ (expressed as percentages of PO₄ fixed in the absence of AsO₄; Table 3) sorbed on goethite and gibbsite in the presence of increasing concentration of AsO₄.

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