“…Indeed, the materials used and the fabrication technology, the methods of characterization and testing have been, and are, distinctly different, see: [ 7 ]. However, new expectations and a need for ion-monitoring have inspired a boom of interest in designing reference electrodes, which is reflected in numerous reports [ 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 ].…”