noun[mass noun] Chemistry
The partial removal of a substance from a solution or mixture by dissolving it in another, immiscible solvent in which it is more soluble.
- Current methods involve many solvent extraction cycles and vitrification after nitric acid treatment and evaporation.
- Those substances were prepared by solvent extraction or, more destructively, by distillation.
- Alkaloids from samples of diet pills obtained at natural health food outlets underwent either pressurized fluid extraction or solvent extraction with sonication.
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