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pyrophosphoric acid
[ pahy-roh-fos-fawr-ik, -for-, pahy- ]
noun
Chemistry.
- 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.
pyrophosphoric acid
/ ËŒ±è²¹Éª°ùəʊ´ÚÉ’²õˈ´ÚÉ’°ùɪ°ì /
noun
- a crystalline soluble solid acid formed by the reaction between one molecule of phosphorus pentoxide and two water molecules. Formula: H 4 P 2 O 7 See also polyphosphoric acid
pyrophosphoric acid
/ ±èī′rÅ-´ÚŲõ-´Úô°ù′İì /
- A viscous liquid used as a catalyst and in the manufacture of organic chemicals. Chemical formula: H 4 P 2 O 7 .
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˜yÐÄvlog History and Origins
Origin of pyrophosphoric acid1
First recorded in 1865–70; pyro- + phosphoric
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Example Sentences
Examples have not been reviewed.
While the secondary phosphates, on heating, give salts of pyrophosphoric acid, the primary phosphates yield salts of metaphosphoric acid.
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