Table 2.
Summary of the soil-microplastic validation experiment.
| Treatments | Recovery rate |
Digestion efficiency (%) | ||
|---|---|---|---|---|
| Wt of total floatation (Wt) (g) | Microplastics floatation (Wp) (g) | Mp Recovery (%) | ||
| LDPEp | 0.62 ± 0.1 | 0.46 ± 0.1 | 91 ± 0.1 | 93.1 ± 4.7 |
| LDPEf | 0.90 ± 0.1 | 0.74 ± 0.1 | 147 ± 0.1 | 72.6 ± 4.4 |
| PP | 0.70 ± 0.1 | 0.54 ± 0.1 | 108 ± 0.2 | 86.4 ± 5.9 |
| Blank | – | – | – | 94.6 ± 0.7 |
Wc; Wt of control floatation (0.16) was constant. LDPEp= pellets, LDPEf =fragments, Values in bold represent optimum digestion efficiency.