FeHPO4

Formula : FeHPO4

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
151.826 -1207091 (Ref.: 72bnri) Nriagu J.O., 1972b, Stability of vivianite and ion-pair formation in the system Fe3(PO4)2-H3PO4-H2O. Geochim. Cosmochim. Acta, 36, 459-470
HKF coefficients
a1·10
J·mol-1·bar-1
 a2·10-2
J·mol-1
 a3
J·K·mol-1·bar-1
 a4·10-4
J·K·mol-1
 c1
J·mol-1·K-1
 c2·10-4
J·K·mol-1
 ω·10-5
J·mol-1
Reaction properties

Fe+2 + H2PO4- ⇌ FeHPO4 + H+

298.15 K, 1 bar log10K: -3.61 ΔH°r: J·mol-1 (Ref.: )
T(°C) 0 25 60 100 150 200 250 300
log10K -3.61 -3.61 -3.61 -3.61 -3.61 -3.61 -3.61 -3.61
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-3.607506 0.000000 0.000000 0.000000 0.000000