(a)
(b)
(c)
(d)
(e)
(f)
Figure 4: EDX patterns of untreated bamboo (a), MgAl-LB-6 h (b), MgAl-LB-12 h (c), MgAl-LB-24 h (d), MgAl-LB-36 h (e), and MgAl-LB-48 h (f).