Retraction notice to “Adsorption of Pb(II) ions from aqueous solutions by magnetite (Fe₃O₄) nanoparticles functionalized with two different Schiff base ligands” [J. Mol. Struct. 1271 (2023) 134059] (Journal of Molecular Structure (2023) 1271, (S0022286022017100), (10.1016/j.molstruc.2022.134059))

This article has been retracted: please see Elsevier policy on Article Correction, Retraction and Removal (https://www.elsevier.com/about/policies-and-standards/article-withdrawal). This article has been retracted at the request of the Editors. A post-publication investigation has been prompted by concerns raised about the integrity of the data presented in Figure 1. In addition, in the paper there is reference to the supplementary information (e.g. Fig S1), however no supplementary information has been provided. To facilitate a thorough examination and ensure the accuracy of the information reported in the article, the authors were requested to provide an explanation, as well as the raw data and the supplementary information. As the authors were unable to provide satisfactory explanation and there were discrepancies between the data and provided supplementary information, the Editors no longer have confidence in the content of the article. A decision to retract the article was made in accordance with the journal's commitment to upholding the highest standards of scientific integrity and accuracy in published research.