Open Access Article
This Open Access Article is licensed under a Creative Commons Attribution 3.0 Unported Licence
Expression of concern: Novel magnetic iron oxide nanoparticles coated with sulfonated asphaltene as crude oil spill collectors
Mahmood M. S. Abdullaha,
Hamad A. Al-Lohedana and
Ayman M. Atta*ab
aSurfactants Research Chair, Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia. E-mail: aatta@ksu.edu.sa; hlohedan@ksu.edu.sa; Mr.alhddad@gmail.com; Fax: +966 114675998; Tel: +966 561557975
bPetroleum Application Department, Egyptian Petroleum Research Institute, Nasr City, 11727, Cairo, Egypt. Fax: +20 222747433; Tel: +20 222747917
First published on 14th April 2025
Abstract
Expression of concern for ‘Novel magnetic iron oxide nanoparticles coated with sulfonated asphaltene as crude oil spill collectors’ by Mahmood M. S. Abdullah et al., RSC Adv., 2016, 6, 59242–59249, https://doi.org/10.1039/C6RA09651D.
RSC Advances is publishing this expression of concern in order to alert readers that concerns have been raised regarding the integrity of the FT-IR data in Fig. 1 and the TEM data in Fig. 4a.
An expression of concern will continue to be associated with the article until a conclusive outcome is reached.
Laura Fisher
4th April 2025
Executive Editor, RSC Advances
| This journal is © The Royal Society of Chemistry 2025 |