The resulting gel is dried to remove {TAIL ~ moisture} and sintered at 800° C. to 1000° C. in a kiln for {HEAD ~ 8 16 hours} 
The resulting gel is dried to remove { TAIL ~ moisture } and sintered at 800 ° C. to 1000 ° C. in a kiln for { HEAD ~ 8 16 hours }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD