Issue 15, 2023
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RSC Advances

Comment on “Study of enantioselective metolachlor adsorption by activated carbons” by A. Gomis-Berenguer, I. Laidin, S. Rononcial and B. Cagnon, RSC Advances, 2020, 10, 40321

Diego D. Colasurdo,a   Javier G. Carrerasab  and  Sergio L. Laurella*a  

* Corresponding authors

a CEDECOR (Centro de Estudio de Compuestos Orgánicos), Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), Calle 115 y 47, (1900) La Plata, Argentina
E-mail: sllaurella@quimica.unlp.edu.ar

b CONICET (Consejo Nacional de Investigaciones Científicas y Técnicas), Argentina

Abstract

A recent study on adsorption of metolachlor on activated carbons carried out by Gomis-Berenguer et al. has reported higher adsorption capacity for pure S-metolachlor compared with the adsorption capacity for the racemic mixture of this pesticide. The authors claim that the adsorption is enantioselective, with the activated carbon being more efficient for the adsorption of the S enantiomer compared with the R enantiomer. In this comment, we question this explanation (since the non-chiral surface of an activated carbon would never be selective towards one enantiomer instead of the other) and we offer some possible answers supported by theoretical calculations.

Graphical abstract: Comment on “Study of enantioselective metolachlor adsorption by activated carbons” by A. Gomis-Berenguer, I. Laidin, S. Rononcial and B. Cagnon, RSC Advances, 2020, 10, 40321

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Article information

DOI
https://doi.org/10.1039/D3RA00363A
Article type
Comment
Submitted
17 Jan 2023
Accepted
14 Mar 2023
First published
31 Mar 2023
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2023,13, 10349-10352

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Comment on “Study of enantioselective metolachlor adsorption by activated carbons” by A. Gomis-Berenguer, I. Laidin, S. Rononcial and B. Cagnon, RSC Advances, 2020, 10, 40321

D. D. Colasurdo, J. G. Carreras and S. L. Laurella, RSC Adv., 2023, 13, 10349 DOI: 10.1039/D3RA00363A

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