In Collins method, {HEAD ~ a broth} for making {TAIL ~ hydrous zirconium oxide} for instance, contains four chemical constituents: an organic base, a complexing agent, a zirconium metal salt, and an acid 
In Collins method , { HEAD ~ a broth } for making { TAIL ~ hydrous zirconium oxide } for instance , contains four chemical constituents : an organic base , a complexing agent , a zirconium metal salt , and an acid
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH