In this procedure an aqueous solution containing the substance of interest, often at low concentration and in a mixture with other dissolved substances, is mixed with an organic solvent containing an organic reagent (extractant).
(an aqueous solution; containing; the substance of interest) (an aqueous solution containing the substance of interest, often at low concentration and in a mixture with other dissolved substances; is mixed; with an organic solvent; L:In this procedure) (an organic solvent; containing; an organic reagent)
an aqueous solution an aqueous solution containing the substance of interest, often at low concentration and in a mixture with other dissolved substances an organic solvent
containing is mixed containing
the substance of interest
with an organic solvent L:In this procedure
an organic reagent