How does pH affect the solubility of phenolic acid?

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Abdelkader BOUAZIZ

Dear Salah Eddine,

Phenolics are very weak acids, their ionization is pH dependent. This ionization is the main factor that governs solubility. More details in the attached file. Regards

Mark Krause

Less solubility below the pKa; this is compound dependent and can be easily found on the Internet. Above the pKa they form soluble salts.