Pyrophosphoric acid → Dicalcium phosphate-dihydrate

HRID 1106224

Reaktionsgleichung

Reaktionsgleichung von HRID 1106224
[OH-].[Ca+2:2].[OH-].[P:4]([OH:8])([O-:7])([O-:6])=[O:5].[Ca+2].P(OP(O)(O)=O)(O)(O)=[O:11]>>[OH2:5].[OH2:11].[P:4]([O-:8])([O-:7])([O-:6])=[O:5].[Ca+2:2].[Ca+2:2]

Komponenten

4

Edukt 3

HCID 1023Pyrophosphoric acidHCID 24441Calcium hydrogen phosphateHCID 6093208Calcium Hydroxide2×

Produkt 1

HCID 21862903Dicalcium phosphate-dihydrate

Versuchsvorschrift

A quantity of dicalcium phosphate dihydrate was prepared as in Examples 1 and 2 except that the slaked lime slurry was added to the monocalcium phosphate solution until the pH reached about 5.6 and then pyrophosphoric acid was added until the pH was reduced to about 5.3; no further slaked lime slurry was added.

Quellen und Nachweise

ORD-Eintrag
ord-76b1bde9cc884e91b366aac97c77d11a
Quelldatensatz
uspto-grants-1982_01
Patentnummer
US04312843

Verknüpfte Notizen

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