However, it is highly preferred to use a non flammable liquid in which {TAIL ~ P2 O5 values} are soluble to allow for later recovery of P2 O5 values resulting from {HEAD ~ the treatment} of the elemental phosphorus containing material with the oxygen containing gas 
However , it is highly preferred to use a non flammable liquid in which { TAIL ~ P2 O5 values } are soluble to allow for later recovery of P2 O5 values resulting from { HEAD ~ the treatment } of the elemental phosphorus containing material with the oxygen containing gas
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH