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