Fig. 9
From: Layered double hydroxides in nanofiltration as a new approach to nitrate removal

Zeta potential of the Ni–Fe LDH NPs in the pH range of 5–9.
From: Layered double hydroxides in nanofiltration as a new approach to nitrate removal

Zeta potential of the Ni–Fe LDH NPs in the pH range of 5–9.