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. 2018 Mar 18;15(3):543. doi: 10.3390/ijerph15030543

Figure 7.

Figure 7

Cu, Zn, Fe, and Zn cumulative removal from the soil as a function of bv, during the SF3 tests. Full symbols: 0–4 bv [EDDS] = 3.6 mM, 4–18 bv [EDDS] = 0 mM—Inline graphic Cu; Inline graphic Zn; Inline graphic Mn; Inline graphic Fe. Empty symbols: 0–18 bv [EDDS] = 0 mM. Inline graphic Cu; Inline graphic Zn; Inline graphic Mn; Inline graphic Fe.