The Calomel reference electrode Electrode Acronym Potential vs SHE Hg(/Hg2Cl2(s)KCI(0. 1 M) 0.3337 Hg/Hg2Cl2(s)/KCl(1 M) NCE 0.2801 Hg(/Hg2Cl2(s)/KCl(sat'd) SCE 0.2412 Hg(/Hg2 Cl2(s)NaCl(sat'd) SSCE 0.2360 Note: concentrations typically high = A concentrations small electrode doesn t become polarized potential constantThe Calomel Reference Electrode Electrode Acronym Potential vs. SHE Hg(l)/Hg2Cl2 (s)/KCl (0.1 M) 0.3337 Hg/Hg2Cl2 (s)/KCl (1 M) NCE 0.2801 Hg(l)/Hg2Cl2 (s)/KCl (sat'd) SCE 0.2412 Hg(l)/Hg2Cl2 (s)/ NaCl (sat'd) SSCE 0.2360 Note: concentrations typically high   concentrations small  electrode doesn’t become polarized  potential constant