An electrochemiluminescent electrode for {TAIL ~ use} in apparatus for monitoring the concentration of {HEAD ~ organic materials} in water, comprising: 
An electrochemiluminescent electrode for { TAIL ~ use } in apparatus for monitoring the concentration of { HEAD ~ organic materials } in water , comprising :
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH