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