{TAIL ~ The complexing agent} can be added to either solution provided {HEAD ~ the final mole ratio} of complexing agent to zirconium is greater than or equal to 1 
{ TAIL ~ The complexing agent } can be added to either solution provided { HEAD ~ the final mole ratio } of complexing agent to zirconium is greater than or equal to 1
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH