H3PO4 definition


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1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Phosphoric \Phos*phor"ic\, a. [Cf. F. phosphorique.]
     1. (Chem.) Of or pertaining to phosphorus; resembling, or
        containing, phosporus; specifically, designating those
        compounds in which phosphorus has a higher valence as
        contrasted with the {phosphorous} compounds.
        [1913 Webster]

     2. Phosphorescent. "A phosphoric sea." --Byron.
        [1913 Webster]
     {Glacial phosphoric acid}. (Chem.)
        (a) Metaphosphoric acid in the form of glassy
            semitransparent masses or sticks.
        (b) Pure normal phosphoric acid.
     {Phosphoric acid} (Chem.), a white crystalline substance,
        {H3PO4}, which is the most highly oxidized acid of
        phosphorus, and forms an important and extensive series of
        compounds, viz., the phosphates.
     {Soluble phosphoric acid}, {Insoluble phosphoric acid}
        (Agric. Chem.), phosphoric acid combined in acid salts, or
        in neutral or basic salts, which are respectively soluble
        and insoluble in water or in plant juices.
     {Reverted phosphoric acid} (Agric. Chem.), phosphoric acid
        changed from acid (soluble) salts back to neutral or basic
        (insoluble) salts.
        [1913 Webster]

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