fig2
From: Release of microfibers from surgical face masks: an undesirable contributor to aquatic pollution
Figure 2. Microscopic images of isolated microfibers from different treatment groups of freshwater [(A) 400 ml FW; (B) 40 mL 95% alcohol + 800 mL FW; (C) 40 mL 30% H2O2 + 800 mL FW; and (D) 4 g SDS + 800 mL FW] and saltwater [(a) 800 mL SW; (b) 40 mL 95% alcohol + 800 mL SW; (c) 40 mL 30% H2O2 + 800 mL SW; and (d) 4 g SDS + 800 mL SW]. Scale bar: 1 mm; and zoom: 4X.
