During the separation stage, the extract containing the organic contaminants are transferred to a biologically-compatible separation solvent such as water or a water-methanol mixture.
(the extract; containing; the organic contaminants) (the extract containing the organic contaminants; are transferred; to a biologically-compatible separation solvent such as water or a water-methanol mixture; T:During the separation stage)
the extract the extract containing the organic contaminants
containing are transferred
the organic contaminants
to a biologically-compatible separation solvent such as water or a water-methanol mixture T:During the separation stage