Table 2 Concentrations of microplastics (particle number per kilogram of dry sediment) obtained from two density separation runs of five Lahn River sediment samples each. Sdm. = Dry sediment mass
From: Evaluating the effectiveness of the MicroPlastic Sediment Separator (MPSS)
| Â | Â | Number of particles kg\(^{-1}\) | Percentage of particles | |||
|---|---|---|---|---|---|---|
Sample ID | Sdm. [g] | 1st run | 2nd run | Total | 1st run | 2nd run |
1 | 795.6 | 94.3 | 52.8 | 147.1 | 64.1 | 35.9 |
3 | 487.2 | 147.8 | 65.7 | 213.5 | 69.2 | 30.8 |
7 | 928.0 | 48.5 | 47.4 | 95.9 | 50.6 | 49.4 |
8 | 732.0 | 95.6 | 16.4 | 112.0 | 85.4 | 14.6 |
9 | 690.7 | 57.9 | 88.3 | 146.2 | 39.6 | 60.4 |
rounded mean | 730 | 89 | 54 | 140 | 62 | 38 |
rounded sd | 160 | 40 | 26 | 50 | 18 | 18 |