Clay Minerals -- ARIAS et al. 39 (1): 35 Figure 1

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FIG. 1. Adsorption isotherms of Hg on kaolin and kaolin-humic acid complexes. ( ${circ}$ ) CHA = 0 mg g^–1; ( ${blacksquare}$ ) CHA = 6.6 mg g^–1; ( ${blacktriangleup}$ ) CHA = 12.2 mg g^–1; ( ${diamondsuit}$ ) CHA = 19.5 mg g^–1; (•) CHA = 26.9 mg g^–1. Error bars represent standard deviations. The absence of error bars implies that the error is less than the size symbol of the symbol.