Fig. 2: Spectral analyses of NaF (white precipitate), PTFE, and the black residue.
From: Room-temperature defluorination of PTFE and PFAS via sodium dispersion
A XRD pattern of the NaF obtained. The product was identified using the ICDD PDF-2 database (International Centre for Diffraction Data, Newtown Square, PA, USA). B Raman spectrum of PTFE (red-line) and the black residue (purple-line). C IR spectrum of PTFE (red-line) and the black residue (purple-line). D 19F SS-MAS NMR of PTFE (red-line) and the black residue (purple-line). E 1H SS-MAS NMR of black residue. F XRD of PTFE (red-line) and the black residue (purple-line). G SEM-EDS of PTFE and black residue.
