Development of an ethanolic two-phase system (ETPS) based on polypropylene glycol 2000+ethylene glycol plus ethanol for separation of hydrophobic compounds

resumo

This work reports, for the first time, an Ethanolic Two-Phase System (ETPS) based on polypropylene glycol 2000 (PPG 2000), mono-, di-, tri-ethylene glycol, and ethanol. An ionic liquid (IL) (1-butyl-3-methylpyridinium chloride) was used as an adjuvant. This ETPS shows promising results for the extraction of highly hydrophobic compounds. Bixin (model of hydrophobic compounds) migrates completely to the PPG 2000-rich phase, while ascorbic acid (hydrophilic compound) migrated to the opposite phase.

categoria

Chemistry, Multidisciplinary

autores

Buarque, FS; Soares, CMF; de Souza, RL; Pereira, MM; Lima, AS

nossos autores

agradecimentos

The authors are grateful to Brazilian funding agencies CNPq, CAPES, and FAPITEC.

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