Fig. 3
SEM photographs of the cross section of the PET membrane from PET bottle and that from PET resin: (a) magnification: 1000 x, (b) magnification: 5000 x
Fig. 3 | Sustainable Environment Research
SEM photographs of the cross section of the PET membrane from PET bottle and that from PET resin: (a) magnification: 1000 x, (b) magnification: 5000 x