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. 2021 Nov 29;9:747016. doi: 10.3389/fchem.2021.747016

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Copyright © 2021 Ghamari Kargar and Bagherzade.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Fourier-transform infrared, (B) vibrating-sample magnetometry curves (I = before ruse and II = after reuse), (C) X-ray diffraction spectra, and (D) FE-SEM for fresh (green) catalyst after six recovery steps for the Hiyama reaction.