Previous studies have shown that the key potential determining ions for calcite are Ca 2+ and C O 3 2-(Cicerone et al., 1992, Al Mahrouqi et al., 2017, Moulin and Roques, 2003, Pierre et al., 1990, Sondi et al., 2009, Vdovic, 2001), while H +, OH −, CaO H +, and CaHC O 3 + have no influence on surface electrical properties (Thompson and ...