Aspirin and caffeine extraction

Aspirin and caffeine can be extracted from mixtures using liquid-liquid extraction techniques. This process typically involves dissolving the mixture in a suitable solvent, such as water, followed by the addition of an organic solvent that selectively dissolves one of the compounds. The separation is based on differences in solubility, allowing for the isolation of either aspirin or caffeine for further purification and analysis. Techniques like recrystallization or chromatography can then refine the extracted compounds.