Cu3(PO4)2:3H2O

Formula : Cu3(PO4)2:3H2O

Family: 
Phosphates

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
 V°
cm3·mol-1
 ΔGºf
J·mol-1
 ΔHºf
J·mol-1
 Sº
J·mol-1·k-1
 CP
J·mol-1·K-1
434.627 -2767888 (Ref.: 84vie/tar) Vieillard P., Tardy Y., 1984, Thermochemical properties of phosphates, Chap. 4. In: Phosphate Minerals, J.O. Nriagu and P.B. Moore (Eds), Springer-Verlag, New York, ISBN 3-540-12757-7, 171-198 -3125073 (Ref.: Internal calculation) 504.000 (Ref.: 00pui) Puigdomenech, I., 2000. Thermodynamic data for copper: implications for the corrosion of copper under repository conditions, SKB report. SKB/Swedish Nuclear Fuel and Waste Management, p. 96. 351.00 (Ref.: 00pui) Puigdomenech, I., 2000. Thermodynamic data for copper: implications for the corrosion of copper under repository conditions, SKB report. SKB/Swedish Nuclear Fuel and Waste Management, p. 96.
CP(T) = a + b·T + ·c·T-2 (T in Kelvin)
a
J·mol-1·K-1
 b * 103
J·mol-1·K-2
 c * 10-5
J·K·mol-1
 Maier Kelley Ref.
351.00 0.00 0.00 (Ref.: 00pui) Puigdomenech, I., 2000. Thermodynamic data for copper: implications for the corrosion of copper under repository conditions, SKB report. SKB/Swedish Nuclear Fuel and Waste Management, p. 96.
Reaction properties

Cu3(PO4)2:3H2O + 4H+ ⇌ 3Cu+2 + 2H2PO4- + 3H2O

298.15 K, 1 bar log10K: 3.98 ΔH°r:-142084 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 6.22 3.98 1.32 -1.22 -3.90 -6.27 -8.59 -11.14
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-2239.320007 -0.351892 126615.103369 808.377460 -6820507.220580