{TAIL ~ The intermediate concentrate} typically contains at least 5 weight percent zirconium, at least 8 weight percent zirconium, {HEAD ~ at least 10 weight percent zirconium}, at least 20 weight percent zirconium, or at least 30 weight zirconium 
{ TAIL ~ The intermediate concentrate } typically contains at least 5 weight percent zirconium , at least 8 weight percent zirconium , { HEAD ~ at least 10 weight percent zirconium } , at least 20 weight percent zirconium , or at least 30 weight zirconium
TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH