Fig. 4From: Fabrication of silica/PVA-co-PE nanofiber membrane for oil/water separationSEM images of C-SiO2-1/PM (a), C-SiO2-2/PM (d) and C-SiO2-3/PM (g). EDS mapping images of C-SiO2-1/PM (b, c), C-SiO2-2/PM (e, f) and C-SiO2-3/PM (h, i). Red dots represent element of siliconBack to article page