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Phosphorus oxide

Phosphorus oxide can refer to:

  • Phosphorus pentoxide (phosphorus(V) oxide, phosphoric anhydride), PO
  • Phosphorus trioxide (phosphorus(III) oxide, phosphorous anhydride), PO
  • Several other, less common, oxides of phosphorus, including PO, PO, PO, PO and PO
  • Phosphorus monoxide
  • Diphosphorus tetroxide