Skip to main content

Table 4 Derived thermodynamic equilibrium constants at 400 and 500°C

From: Experimental determination of the hydrothermal solubility of ReS2 and the Re–ReO2 buffer assemblage and transport of rhenium under supercritical conditions

Reaction

Temperature

Experimental run

Ionic strength

log K

ReO2 (s) + 4Cl- + 4H+ = ReCl4° + 2H2O

400°C

Re-0.5

0.39

17.96

  

Re-0.75/4

0.59

18.48

  

Re-1.0S

0.80

18.73

  

Average

 

18.39 ± 0.64 (2σ)

ReO2 (s) + 3Cl- + 4H+ + H2O = ReCl3+ + 2H2O

500°C

Re-0.5

0.086

18.69

  

Re/Os-1.0RRO

0.25

18.26

  

Re/Os-1.5

0.42

18.62

  

Average

 

18.52 ± 0.47 (2σ)

Back to article page

Geochemical Transactions

ISSN: 1467-4866

Contact us