Clay Minerals -- ARIAS et al. 39 (1): 35 Figure 2

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FIG. 2. Desorption of Hg from kaolin. (a) Desorption to 0.01 M NaNO₃ solution. (b) Desorption to 0.01 M NaNO₃ plus 0.33 x 10^–3 M Cu(NO₃)₂. ( ${circ}$ ) Adsorption isotherm of Hg on kaolin; Initial Hg concentration: ( ${blacksquare}$ ) 2.5 x 10^–5 M; ( ${triangleup}$ ) 5 x 10^–6 M; (•) 2.5 x 10^–6 M.