Solvent Extraction Using Safe and Commonly Available Materials to Demonstrate the Difference in Solubility of Two Mixed Solutes

• Main Authors: de Leon, Dante Gilbert L, Guidote, Armando M, Jr, Juergens, Fred, Vitz, Ed
• Format: text
• Published: Archīum Ateneo 2003
• Subjects: Lipids; Solutions; Solution chemistry; Solvents; Solubility; Chemistry; Other Chemistry
• Online Access: https://archium.ateneo.edu/chemistry-faculty-pubs/50; https://pubs.acs.org/doi/abs/10.1021/ed080p436
• Institution: Ateneo De Manila University

A blue, aqueous solution of copper(II) sulfate is mixed with a red ethanolic solution of sudan III forming a purple solution. This mixture is extracted with a nonpolar solvent, resulting in the separation of the red and blue compounds. The nonpolar solvent may be kerosene, vegetable oil, mineral oil...