Table 2.
Comparison of present and worldwide values for microplastics abundance, size range, and polymer types in commercial sea salt samples.
| Sea | Country | MP characteristics | References | ||
|---|---|---|---|---|---|
| Polymer type | Particle size range (μm) | Concentration (Particles kg-1) | |||
| Bay of Bengal | Bangladesh | PP, PET, PS, PE | 250–5000 | 78–137 | This study |
| Pacific Ocean | Thailand | PE, PET, PP, PVC | 100–5000 | 80–600 | 12 |
| Vietnam | Acrylic, PE, PP, PU | 100–5000 | 100–200 | 12 | |
| New Zealand | PE | 160–980 | 0–1 | 11 | |
| South Korea | Acrylic, Nylon, PE, PET, PP | 100–3000 | 100–300 | 12 | |
| Japan | PE, PET | 160–980 | 0–1 | 11 | |
| Chinese Taipei | PE, PET, PP | 100–2000 | 0–1300 | 12 | |
| Australia | Acrylic, Nylon, PE, PET, PP, PS | 100–3000 | 80 | 12 | |
| Mediterranean Sea | Turkey | PE, PET, PP, PU, PA, PVC | < 100 | 18–84 | 28 |
| Spain | PE, PET, PP | 30–3500 | 80–280 | 29 | |
| Italy | PE, PP | 4–2100 | 22–594 | 27 | |
| France | PE, PET, PP | 160–980 | 0–2 | 11 | |
| Croatia | PE, PP | 15–4628 | 13,500–19,800 | 27 | |
| Indic Ocean | India | Nylon, PE, PET, PP, PVC | 50–600 | 100–5000 | 12 |
| Malaysia | PP | 160–980 | 0–1 | 11 | |
| Black Sea | Bulgaria | Nylon, PE, PP, PVC | 100–4000 | 10 | 12 |
| Atlantic Ocean | Brazil | PET, PP | 100–1000 | 200 | 12 |
| Portugal | PET, PP | 160–980 | 0–10 | 11 | |
| Senegal | PE, PET, PP | 100–3000 | 250 | 12 | |
| South Africa | PET | 160–980 | 1–3 | 11 | |
| United Kingdom | PP, PE, PVC | 100–2000 | 120 | 12 | |
| USA | PE | 100–1000 | 3000 | 12 | |
PET Polyethylene terephthalate, PP Polypropylene, PE Polyethylene, PVC Polyvinyl chloride, PS Polystyrene, PA Polyamide, PU Polyurethane.