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) |