{HEAD ~ The sensor} 19 wherein {TAIL ~ said nonconductive organic polymer} in one of said chemically sensitive resistor in said array is different from said nonconductive organic polymer in at least one other chemically sensitive resistor in said array 
wherein
{ HEAD ~ The sensor } 19 wherein { TAIL ~ said nonconductive organic polymer } in one of said chemically sensitive resistor in said array is different from said nonconductive organic polymer in at least one other chemically sensitive resistor in said array
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH