Assertion: phosphoric acid | /r/HasProperty | followed by oxidation of the phosphorous
Facets:
value: to p 2 o
type: TRANSITIVE-OBJECT
Source sentences:
text: Phosphoric acid may also be produced by the electric-furnace elemental phosphorus route through the direct reduction of phosphate rock, followed by oxidation of the phosphorous to P 2 O 5 and its subsequent hydrolysis to H 3 PO 4 .