Research Article

Eco-Efficient Biosorbent Based on Leucaena leucocephala Residues for the Simultaneous Removal of Pb(II) and Cd(II) Ions from Water System: Sorption and Mechanism

Figure 3

Base chemical structures of some natural compounds found in LLEPs: (a) isorhamnetin 3-O-galactoside, (b) chrysoeriol, and (c) luteolin-7-glucoside, respectively.
(a)
(b)
(c)