Fig. 6
From: Vertical distribution of microplastics in the sediment profiles of the Lake Taihu, eastern China
Photos of microplastics taken using the microscope equipped with Raman spectroscopy, (a) acrylic acid (AA), from the 16–20 cm layer of the NTH; (b) cellulose acetate (CA), from the 40–45 cm layer of the NTH; (c) polyamide (PA), from the 25–30 cm layer of the SWTH; and (d) high density polyethylene (HDPE), from the 20–25 cm layer of the SWTH