Fig. 7
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

TGA profiles of PSHs (a), and biochar (b), respectively.
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

TGA profiles of PSHs (a), and biochar (b), respectively.