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. 2019 Sep 4;12(18):2854. doi: 10.3390/ma12182854

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© 2019 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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FTIR spectra of Fe₃O₄, PANI and PANI/ Fe₃O₄ composites before (A) and after (B) the adsorption of AB40.