Sodium chloride content was determined in accordance with the procedure described by Fuentes, Fernandez Segovia, Serra, and Barat (2010b) using an automatic Sherwood Chloride Analyzer Model 926 (Sherwood Scientific Ltd., Cambridge, UK). Sodium chloride concentration in the liquid phase (zNaCl) was calculated as described by Rizo, Fuentes, Fernandez-Segovia, Masot, and Alca~niz (2013).