ALL meanings of pyrophosphoric acid
py·ro·phos·phor·ic ac·id
P p - noun pyrophosphoric acid a crystalline, water-soluble powder, H 4 P 2 O 7 , formed by the union of one molecule of phosphorus pentoxide with two molecules of water. 1
- noun pyrophosphoric acid a crystalline soluble solid acid formed by the reaction between one molecule of phosphorus pentoxide and two water molecules. Formula: H4P2O7 0
- noun pyrophosphoric acid a viscous liquid acid, H4P2O7, which crystallizes when left standing at ordinary temperatures and is easily converted to orthophosphoric acid upon dilution with water 0