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orthophosphoric acid

Pronunciation: or'tho-fos-for'ik as'id

Definition: Phosphoric acid, O=P(OH)3, distinguished by ortho- from metaphosphoric and pyrophosphoric acids, (HPO3)n and OP(OH2)OP(OH)2O, respectively, which are anhydrides of H3PO4; the ultimate anhydride is phosphorus pentoxide, P2O5.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.