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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
/ ˌpaɪrəʊfɒsˈfɒrɪk /
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
/ pī′rō-fŏs-fôr′ĭk /
- 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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Word History and Origins
Origin of pyrophosphoric acid1
First recorded in 1865–70; pyro- + phosphoric
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Example Sentences
A salt containing ferric iron combined with the radical of pyrophosphoric acid.
From Project Gutenberg
Pyrophosphoric acid precipitates the salts of silver of a white colour.
From Project Gutenberg
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