Table 1.
Number of microplastics found in the different types of table salt analyzed.
| Source | Type of salt | Origin | N° particles /kg | |
|---|---|---|---|---|
| Sample 1 | Sea salt | coarse | Atlantic Ocean (Huelva) | 120 ± 7 |
| Sample 2 | Sea salt | fine | Atlantic Ocean (Huelva) | 140 ± 3 |
| Sample 3 | Sea salt | fine | Atlantic Ocean (Huelva) | 150 ± 10 |
| Sample 4 | Sea salt | fine | Atlantic Ocean (Cádiz) | 100 ± 3 |
| Sample 5 | Sea salt | coarse | Atlantic Ocean (Lanzarote) | 95 ± 7 |
| Sample 6 | Sea salt | coarse | Atlantic Ocean (La Palma) | 140 ± 8 |
| Sample 7 | Sea salt | fine | Atlantic Ocean (Galicia) | 50 ± 7 |
| Sample 8 | Sea salt | fine | Mediterranean Sea (Barcelona) | 190 ± 7 |
| Sample 9 | Sea salt | fine | Mediterranean Sea (Barcelona) | 80 ± 3 |
| Sample 10 | Sea salt | fine | Mediterranean Sea (Gerona) | 120 ± 3 |
| Sample 11 | Sea salt | fine | Mediterranean Sea (Valencia) | 115 ± 10 |
| Sample 12 | Sea salt | coarse | Mediterranean Sea (Valencia) | 65 ± 7 |
| Sample 13 | Sea salt | fine | Mediterranean Sea (Alicante) | 175 ± 10 |
| Sample 14 | Sea salt | fine | Mediterranean Sea (Murcia) | 280 ± 3 |
| Sample 15 | Sea salt | fine | Mediterranean Sea (Murcia) | 105 ± 7 |
| Sample 16 | Sea salt | coarse | Mediterranean Sea (Menorca) | 60 ± 10 |
| Sample 17 | Well salt | coarse: without grinding | 115 ± 10 | |
| Sample 18 | Well salt | fine: unpacked | Underground river in Alicante, 60 km away from the sea | 185 ± 3 |
| Sample 19 | Well salt | fine: packed | 120 ± 7 | |
| Sample 20 | Well salt | coarse | Cuenca, 170 km away from the sea | 135 ± 7 |
| Sample 21 | Well salt | fine | Añana, 60 km away from the sea | 140 ± 3 |
.