Table 1. Various Impinger Solvent Combinations Investigateda.
impinger 1 | impinger 2 | abbreviation |
---|---|---|
acidic aqueous | acidic aqueous | 2AA |
aqueous + 10% H2O2 | aqueous + 10% H2O2 | 2HAA |
methanol | acidic aqueous | MeOH + AA |
acetone | acidic aqueous | Ac + AA |
hexanes | acidic aqueous | Hex + AA |
Acidic aqueous = 8% nitric acid, 2% hydrochloric acid, and 90% water (v/v %).