Either intermediary product may be further processed: a) in air to produce {HEAD ~ metal oxide} b) in an inert environment to produce metal oxide on {TAIL ~ carbon substrate} c) in a reducing environment to produce elemental metal distributed on carbon substrate 
Either intermediary product may be further processed : a ) in air to produce { HEAD ~ metal oxide } b ) in an inert environment to produce metal oxide on { TAIL ~ carbon substrate } c ) in a reducing environment to produce elemental metal distributed on carbon substrate
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH