Table 2. Organic Compounds in Linden-Based Leachates Are Present in μg·g–1 of DWa.
| leachate | citric acid [μg·g–1] | maleic acid [μg·g–1] | malic acid [μg·g–1] | oxaloacetic acid [μg·g–1] |
|---|---|---|---|---|
| L1 | 1935 ± 67 | 2459 ± 156 | 2175 ± 177 | 152 ± 2 |
| L2 | 1886 ± 143 | 2959 ± 298 | 2601 ± 397 | 262 ± 42 |
| L3 | 2126 ± 325 | 1798 ± 257 | 1659 ± 247 | 162 ± 16 |
| leachate | gallic acid [μg·g–1] | protocatechuic acid [μg·g–1] | ferulic acid [μg·g–1] | caffeic acid [μg·g–1] |
|---|---|---|---|---|
| L1 | 135 ± 20 | 478 ± 35 | 4.2 ± 0.1 | 5.4 ± 1.2 |
| L2 | 60 ± 4 | 217 ± 11 | 4.0 ± 0.3 | 1.0 ± 0.2 |
| L3 | 33 ± 10 | 123 ± 40 | 4.3 ± 0.4 | 0.6 ± 0.1 |
a
Nonphenolic acids are present in higher amounts than phenolic acids.