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. 2018 Nov 20;8(11):957. doi: 10.3390/nano8110957

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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(A) Langmuir and (B) Freundlich adsorption isotherms studies of the Pb²⁺, Cd²⁺, and Cu²⁺. (~50 mg of mp-CA/GO was equilibrated with 50 mL of Pb²⁺, Cu²⁺, or Cd²⁺ solution at 25 °C for 40 min).

(A) Langmuir and (B) Freundlich adsorption isotherms studies of the Pb²⁺, Cd²⁺, and Cu²⁺. (~50 mg of mp-CA/GO was equilibrated with 50 mL of Pb²⁺, Cu²⁺, or Cd²⁺ solution at 25 °C for 40 min).