Research Article

Fe3O4 Nanoparticles Embedded Sodium Alginate/PVP/Calcium Gel Composite for Removal of Cd2+

Figure 9

Sorption isotherms fit of Cd2+: Langmuir isotherm fit (a), Freundlich isotherm fit (b), and D-R isotherm fit (c).
(a)
(b)
(c)