PbHPO4

Formula : PbHPO4

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
303.179 -1185506 (Ref.: 74nri) Nriagu J.O., 1974. Lead orthophosphates-IV Formation and stability in the environment. Geochimica et Cosmochimica Acta, 38, p. 887 898. -1317973 (Ref.: Internal calculation) 137.240 (Ref.: 74nau/ryz) Naumov G.B., Ryzhenko B.N., and Khodakovsky I.L., 1974. Handbook of Thermodynamic Data. U.S. Geol. Surv.WRD 74 001, 328 pp.
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.
Reaction properties

PbHPO4 + H+ ⇌ H2PO4- + Pb+2

298.15 K, 1 bar log10K: -4.23 ΔH°r:16293 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -4.51 -4.23 -3.94 -3.72 -3.56 -3.52 -3.63 -3.96
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-938.954516 -0.144957 50201.609180 340.603274 -2953866.227647