One contains the organic base and the complexing agent and {TAIL ~ the other solution} contains {HEAD ~ the zirconium metal salt solution} and the acid 
One contains the organic base and the complexing agent and { TAIL ~ the other solution } contains { HEAD ~ the zirconium metal salt solution } and the acid
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH