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. 2021 Jun 21;6(26):17126–17135. doi: 10.1021/acsomega.1c02740

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
a

Acidic aqueous = 8% nitric acid, 2% hydrochloric acid, and 90% water (v/v %).