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Can buffer solutions be used to control the pH of ethanol?

For my experiment, I want to investigate the effect of differing pH on the solubilities of a sparingly soluble drug. However, the solubility is too low for me to conduct a reliable study on the solubility (0.003 mg/ml in water). In ethanol, the solubility increases to 10 mg/ml. Can I simply add buffer solutions and acids into ethanol to change its pH as I would do with water? Are there alternatives to adjusting the pH of ethanol?