It is carried optimally on a high surface area support material like {TAIL ~ alumina} which often includes various promoters and stabilizers such as ceria, barium oxide, lanthanum oxide, or {HEAD ~ strontium} 
It is carried optimally on a high surface area support material like { TAIL ~ alumina } which often includes various promoters and stabilizers such as ceria , barium oxide , lanthanum oxide , or { HEAD ~ strontium }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD