Doralcharite

Formula : TlFe3(SO4)2(OH)6

Family: 
Sulfates
Space group: 
cf jarosite

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
666.095 165.000 (Ref.: 84pan/stu) L.B. Pankratz, J.M. Stuve, and N.A. Gokcen, 'Thermodynamic Data for Mineral Technology,' Bulletin 677, U.S. Bureau of Mines (1984). -3004786 (Ref.: Internal calculation) -3444400 (Ref.: 09xio) Xiong, Y., 2009. The aqueous geochemistry of thallium: speciation and solubility of thallium in low temperature systems. Environmental Chemistry 6, 441-451. 564.000 (Ref.: 09xio) Xiong, Y., 2009. The aqueous geochemistry of thallium: speciation and solubility of thallium in low temperature systems. Environmental Chemistry 6, 441-451. 564.00 (Ref.: 84pan/stu) L.B. Pankratz, J.M. Stuve, and N.A. Gokcen, 'Thermodynamic Data for Mineral Technology,' Bulletin 677, U.S. Bureau of Mines (1984).
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.
564.00 0.00 0.00 (Ref.: 84pan/stu) L.B. Pankratz, J.M. Stuve, and N.A. Gokcen, 'Thermodynamic Data for Mineral Technology,' Bulletin 677, U.S. Bureau of Mines (1984).
Reaction properties

Doralcharite + 6H+ ⇌ 3Fe+3 + 2SO4-2 + Tl+ + 6H2O

298.15 K, 1 bar log10K: -2.22 ΔH°r:-230910 J·mol-1 (Ref.: 09xio) Xiong, Y., 2009. The aqueous geochemistry of thallium: speciation and solubility of thallium in low temperature systems. Environmental Chemistry 6, 441-451.
T(°C) 0 25 60 100 150 200 250 300
log10K 1.28 -2.22 -6.71 -11.26 -16.37 -21.16 -25.96 -31.26
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-4235.042512 -0.676544 241589.659826 1526.947344 -13697942.874240