Alternatively, the complexing agent can be added to the zirconium metal salt and {HEAD ~ acid solution} rather than with {TAIL ~ the organic base solution} 
Alternatively , the complexing agent can be added to the zirconium metal salt and { HEAD ~ acid solution } rather than with { TAIL ~ the organic base solution }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL