Table 2.
The chemicals and their concentration ranges (mM) selected for toxicity testing.
| Concentration Range tested (Fold) | 0.1× | 0.25× | 0.5× | 1× | 2.5× | 5× | 10× |
|---|---|---|---|---|---|---|---|
| AMMONIUM SALTS | |||||||
| Ammonium Acetate (AA, 36.6 mM) | 4.64 | 11.6 | 23.2 | 46.4 | 116.1 | 232.2 | 464.4 |
| Ammonium Sulfate (AS, 21mM) | 4.0 | 10.0 | 20.0 | 40.0 | 100.0 | 200.0 | 400.0 |
| FURANS | |||||||
| Furfural (F, 12.3 mM) | 1.26 | 3.15 | 6.30 | 12.59 | 31.48 | 62.97 | 125.94 |
| HMF (1.3 mM) | 0.14 | 0.36 | 0.71 | 1.43 | 3.57 | 7.14 | 14.27 |
| LIGNIN MONOMERS | |||||||
| 4-Hydroxybenzaldehyde (HBA, 0.08 mM) | 0.01 | 0.02 | 0.04 | 0.08 | 0.20 | 0.41 | 0.82 |
| Vanillin (V, 0.13 mM) | 0.01 | 0.03 | 0.07 | 0.13 | 0.33 | 0.66 | 1.31 |
| Benzoic Acid (B, 0.037 mM) | 0.08 | 0.20 | 0.41 | 0.82 | 2.05 | 4.09 | 8.19 |
| p-Coumaric Acid (CA, 0.73 mM) | 0.07 | 0.18 | 0.37 | 0.73 | 1.83 | 3.65 | 7.31 |
| Ferulic Acid (FA, 0.46 mM) | 0.05 | 0.12 | 0.23 | 0.46 | 1.16 | 2.32 | 4.63 |
| 4-Hydroxybenzoic Acid (HB, 0.20 mM) | 0.01 | 0.04 | 0.07 | 0.14 | 0.36 | 0.72 | 1.45 |
| Vanillic Acid (VA, 0.054 mM) | 0.01 | 0.03 | 0.06 | 0.12 | 0.30 | 0.59 | 1.19 |
The concentration (mM) following the chemical abbreviation is the concentration in the slurry calculated from analytical results of GC-MS, LC-MS, or ICP-MS.