Fig. 8
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

Zeta Potentials (a), and particle sizes of BC (b) and particle sizes of Fe@BC (c), respectively.
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

Zeta Potentials (a), and particle sizes of BC (b) and particle sizes of Fe@BC (c), respectively.