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