Issues on 10.1016/j.heliyon.2023.e21992
Backtracing is observed on several spectra in Figure 2 and Figure 9 of this article [1].
Article Information
Title: Enhanced O2/N2 separation by QuaternizedMatrimid/Multiwalled carbon nanotube mixed-matrix membrane
Authors: Mallikarjunagouda Patila, Savitri G. Hunasikaia, Shridhar N. Mathadb, Arun Y. Patilc, Chandrashekhar G. Hegded, M. A. Sudeeptd, M. K. Amshumalie, Abdallah M. Elgorbanf, Shifa Wang (王仕发, 三峡学院), Ling Shing Wongh, Asad Syed
Journal: Heliyon
DOI: 10.1016/j.heliyon.2023.e21992
Reference