Figure 4
From: Chromium removal from aqueous solution by a PEI-silica nanocomposite
(a) XPS spectra of the PEI-silica nanoparticles and (b) curve-fitting for C 1 s and (c) N 1 s.
Figure 4 | Scientific Reports
From: Chromium removal from aqueous solution by a PEI-silica nanocomposite
(a) XPS spectra of the PEI-silica nanoparticles and (b) curve-fitting for C 1 s and (c) N 1 s.
