Research Article

Removal of Cadmium and Lead from Aqueous Solution by Hydroxyapatite/Chitosan Hybrid Fibrous Sorbent: Kinetics and Equilibrium Studies

Figure 2

SEM photographs of chitosan fiber (a and b) as well as 10/90 (c and d), 20/80 (e and f), and 30/70 (g and h) HAp/chitosan hybrid fibers.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)