Adsorption of Polyampholytes on Polystyrene Latex. Effect on the Colloid Stability S. Neyret, L. Ouali, F. Candau and E. Pefferkorn Rev. Inst. Fr. Pét., 52 2 (1997) 245 Published online: 01 December 2006 DOI: 10.2516/ogst:1997029