Table 1.
Origin of samples analysed for their content of INPs and properties of the sampled waters.
| origin of water | sample no. | date | time (UTC) | latitude | longitude | conductivity (mS cm−1) | salinity (PSU) | fluorescence (mg m−3) | turbidity (NTU) |
|---|---|---|---|---|---|---|---|---|---|
| Tocantins | 1 | 23.04.2021 | 07:23 | 00°07.30' S | 047°43.87' W | 7.5 | 3.9 | 1.1 | 5.3 |
| 2 | 23.04.2021 | 15:54 | 00°35.85' S | 048°14.63' W | 2.0 | 0.9 | 1.1 | 9.7 | |
| Amazon | 3 | 24.04.2021 | 12:57 | 00°35.83' N | 048°22.40' W | 1.1 | 0.5 | 1.0 | 9.7 |
| 4 | 24.04.2021 | 16:07 | 01°02.91' N | 048°35.18' W | 1.6 | 0.7 | 1.1 | 9.7 | |
| 5 | 24.04.2021 | 00:48 | 01°36.73' N | 048°50.29' W | 6.4 | 3.2 | 1.2 | 3.2 | |
| Atlantic | 6 | 29.04.2021 | 07:40 | 03°00.15' N | 048°28.91' W | 57.3 | 35.1 | 0.09 | 0.08 |
| 7 | 30.04.2021 | 16:09 | 04°24.35' N | 049°07.29' W | 57.4 | 36.0 | 0.22 | 0.08 | |
| 8 | 03.05.2021 | 20:00 | 05°02.01' N | 050°21.12' W | 57.5 | 35.6 | 0.08 | 0.08 |