Table 2.
Characteristics and concentrations of spiked microplastics.
| Composition | Color | Shape | Average Major Dimension (µm) |
Average Minor Dimension (µm) |
Major Dimension Size Range (µm) |
Density (g/cm3) | Number of Particles Spiked |
Source |
|---|---|---|---|---|---|---|---|---|
| PVC | Orange (dyed) |
Fragments | 79 ± 32 | 58 ± 27 | 39–246 | 1.1–1.35 | 39 ± 9 | SABIC Innovative Plastics (Mt Vernon, IN, USA) a |
| PET | Pink (dyed) |
Fragments | 100 ± 33 | 74 ± 25 | 28–121 | 1.37–1.46 | 36 ± 7 | |
| Nylon | Green | Fibers | 826 ± 157 | 33 ± 2 | 496–1862 | 1.15 | 64 ± 15 | Flock It (Rockford, IL, USA) |
a Micronized by Custom Processing Services (Reading, PA, USA) and dyed as described in the work of Karakolis et al. (2019).