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Pyrophosphate definition

pīrə-fŏsfāt
A salt, ester, or anion of pyrophosphoric acid.
noun
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A salt or ester of pyrophosphoric acid.
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A salt or ester of pyrophosphoric acid, containing the group P2 O7 .
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(inorganic chemistry) Any salt or ester of pyrophosphoric acid.
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Other Word Forms

Noun

Singular:
pyrophosphate
Plural:
pyrophosphates

Pyrophosphate Sentence Examples

  • The normal ortho-phosphate, Pb3(P04)2, is a white precipitate obtained by adding sodium phosphate to lead acetate; the acid phosphate, PbHPO 4, is produced by precipitating a boiling solution of lead nitrate with phosphoric acid; the pyrophosphate and meta-phosphate are similar white precipitates.

  • Crystals may be obtained by heating di-calcium pyrophosphate, Ca2P207, with water under pressure.

  • The same reaction is made use of in the quantitative determination of magnesium, the white precipitate of magnesium ammonium phosphate being converted by ignition into magnesium pyrophosphate and weighed as such.

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