Research Article

Adsorption Behaviour of La(III) and Eu(III) Ions from Aqueous Solutions by Hydroxyapatite: Kinetic, Isotherm, and Thermodynamic Studies

Figure 7

Diagram of log  versus . The equations of the lines are: log  ( ) for La(III), rhombus and log  ( ) for Eu(III), circles. 95% confidence intervals of the regression lines are included.
751696.fig.007