{HEAD ~ One possible sacrificial mechanism} is the complexing of the sacrificial agent with {TAIL ~ polyvalent cations} in solution, both by neutral and by charged sacrificial complexing agents 
{ HEAD ~ One possible sacrificial mechanism } is the complexing of the sacrificial agent with { TAIL ~ polyvalent cations } in solution , both by neutral and by charged sacrificial complexing agents
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH