Fig. 1. Amounts of PO4 (empty symbol) and AsO4 (full symbol) sorbed on (A) goethite, pyrolusite, (B)Andisol-16 and gibbsite. The surface coverage was near 100% for goethite, gibbsite, and pyrolusite and about 50% for Andisol-16.
Fig. 1. Amounts of PO4 (empty symbol) and AsO4 (full symbol) sorbed on (A) goethite, pyrolusite, (B)Andisol-16 and gibbsite. The surface coverage was near 100% for goethite, gibbsite, and pyrolusite and about 50% for Andisol-16.