Phase segregation in aqueous solutions of non-ionic surfactants using ammonium, magnesium and iron salts E. Gutiérrez-Arnillas, M. S. Álvarez, F. J. Deive, M. A. Sanromán, A. Rodríguez (2014) Journal of Chemical Thermodynamics, 70: 147-153 DOI: 10.1016/j.jct.2013.10.033