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Topic: SYNTHESIS OF Na4O7P2  (Read 8675 times)

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Offline jmarjorie

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SYNTHESIS OF Na4O7P2
« on: August 22, 2004, 07:55:05 AM »
Dear All,

I would like to know if there is a possibility to synthesise in the lab Na4O7P2 aslo known as :
sodium pyrophosphate/tetrasodium pyrophosphate/
tetrasodium diphosphate,
From Na2H2P2O7, also known as :
sodium dihydrogen pyrophosphate/sodium acid pyrophosphate/acid sodium pyrophosphate.

Na2H2P2O7 ---->Na4O7P2   .?

Thanks in advance,
jmarjorie
chemicals555@yahoo.com


budullewraagh

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Re:SYNTHESIS OF Na4O7P2
« Reply #1 on: August 22, 2004, 10:38:26 AM »
i assume you already have the disodium version.  i bet you could use a reaction as simple as NaOH to replace the sodium.  i bet you could also do the same with pyrophosphoric acid

Na2H2P2O7+2NaOH->Na4P2O7+2H2O

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