Fig. 3. Charge on singly, doubly, and triply coordinated surface oxygen functional groups in goethite using Pauling's rules. All Fe atoms are octahedrally coordinated and symmetrical distribution of charge is assumed.
Fig. 3. Charge on singly, doubly, and triply coordinated surface oxygen functional groups in goethite using Pauling's rules. All Fe atoms are octahedrally coordinated and symmetrical distribution of charge is assumed.