Which surfactant/foaming agent is miscible with solution of cationic polyelectrolyte and poly aluminium chloride?

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Alan Parker

Try a nonionic surfactant. Anionic surfactants interact electrostatically and form complexes with cationic polymers and polyions like aluminium. They phase separate and form precipitates, as you found.

Edwin A. Murillo

Hello dear I think that you can employ a nonionic surfactant (for example nonylphenol), because they are not affected strongly by ions like is the case of ionic surfactants. Best regards