NaSO4-

Formula : NaSO4-

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
119.053 18.976 (Ref.: 95pok/sch) Pokrovski G.S., Schott J. and Sergeyev A.S., 1995. Experimental determination of the stability constants of NaSO4minus and NaB (OH)40 in hydrothermal solutions using a new high-temperature sodium-selective glass electrode - Implications for boron isotopic fractionation. Chemical Geology, 124, p. 253-265. -1011300 (Ref.: 95pok/sch) Pokrovski G.S., Schott J. and Sergeyev A.S., 1995. Experimental determination of the stability constants of NaSO4minus and NaB (OH)40 in hydrothermal solutions using a new high-temperature sodium-selective glass electrode - Implications for boron isotopic fractionation. Chemical Geology, 124, p. 253-265. -1152467 (Ref.: Internal calculation) 85.521 (Ref.: 95pok/sch) Pokrovski G.S., Schott J. and Sergeyev A.S., 1995. Experimental determination of the stability constants of NaSO4minus and NaB (OH)40 in hydrothermal solutions using a new high-temperature sodium-selective glass electrode - Implications for boron isotopic fractionation. Chemical Geology, 124, p. 253-265. 25.78 (Ref.: 95pok/sch) Pokrovski G.S., Schott J. and Sergeyev A.S., 1995. Experimental determination of the stability constants of NaSO4minus and NaB (OH)40 in hydrothermal solutions using a new high-temperature sodium-selective glass electrode - Implications for boron isotopic fractionation. Chemical Geology, 124, p. 253-265.
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
19.8740 16.0247 17.7820 -11.4223 88.0732 -8.4517 5.4810
Reaction properties

Na+ + SO4-2 ⇌ NaSO4-

298.15 K, 1 bar log10K: 0.94 ΔH°r:-2788 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 1.04 0.94 0.95 1.08 1.33 1.68 2.15 2.79
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
935.870804 0.144385 -53022.648909 -338.396141 3306377.641656