Listed below is a comparative study between Saturated Calomel Electrode (SCE) and Silver – Silver Chloride Electrode (Ag/AgCl): 

 

Sl.No  Features/Category  Saturated Calomel Electrode (SCE) Silver – Silver Chloride Electrode (Ag/AgCl)
 1   Notation    Hg|Hg2Cl2, KCl(aq)(sat)    Ag|AgCl, KCl(aq)(sat)
 2   Filling solution    Saturated KCl    3M KCl
 3   Potential Vs SHE    +0.241V
  • Sat KCl +0.197 V
  • Un sat KCl +0.205 V
 4   Advantages
  • Easy to setup and reproducible.
  • Wider potential range.
  • Convenient and easy to transport.
  • No need of salt bridge
  • Simple and stable
  • Non-toxic
 5   Disadvantage    Toxic
  • Short lifetime and
  • light-sensitive
 6   Applications

   pH Measurements and Electrochemistry

   Electrochemistry