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Sorption of Eu(III) on Attapulgite Studied by Batch, XPS and EXAFS Techniques.

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Table 1 Sorption Model of Eu(III) to Attapulgite by Using FITEQL 3.2 Code
FIGURE 1. Effect of pH, Eu(III) concentration, temperature, ionic strength and  FA/HA on Eu(III) sorption to attapulgite
FIGURE 2. The corresponding Fourier Transforms (A) and the first-shell fit of the  EXAFS function  of  k 2 -weighted (B) of the binary Eu/HA system at different pH  values
FIGURE 3. The corresponding Fourier transforms (A) and k 2 -weighted EXAFS (B) of  the different addition sequences of ternary Eu/HA/attapulgite systems
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