EDS analysis from the interfacial zone for cpTi-ceramic groups showed predominantly 34.5-85 .1 % O ( 2 ) followed by 1.1-36 .7 % Al and 0-36 .3 % Si except for Super Porcelain Ti-22 where a small quantity of Ba ( 1.4-8 .3 % ) , S ( 0.7 % ) and Sn ( 35.3 % ) was found .
