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Figure 9 | Geochemical Transactions

Figure 9

From: Surface complexation modeling of Cu(II) adsorption on mixtures of hydrous ferric oxide and kaolinite

Figure 9

Predicted Cu adsorption as a function of pH on mixtures of kaolinite and HFO. Lines indicate fits using the Dzombak and Morel [4] 2-site HFO model and the 1-site kaolinite model with formation of a monodentate Cu complex on a variable charge site. Model fits calculated using parameters shown in Tables 1, 2 and 3. Open and closed symbols indicate experiments with base titration (closed symbols) followed by acid titration (open symbols).

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