CHNOSZ demos

Demos from the package (more information)

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density — Density of H₂O inverted from IAPWS-95 equations (Wagner and Pruss, 2002)
NaCl — Equilibrium constant for NaCl dissociation (Shock et al., 1992)
Pourbaix — Isosolubility lines for iron, copper, and manganese (Pourbaix, 1974)
mosaic — Relative stabilities of iron oxides, sulfides, and carbonate (Garrels and Christ, 1965)
sum_S — Summed molality of S species and solubility for iron and gold (cf. Skirrow and Walshe, 2002)
uranyl — Complexation of uranyl with carbonate and sulfate (Migdisov et al., 2024)
arsenic — Eh-pH diagram for the system As-O-H-S (Lu and Zhu, 2011)
solubility — Solubility of CO₂ (Stumm and Morgan, 1996) and calcite (Manning et al., 2013)
gold — Solubility of gold (Akinfiev and Zotov, 2001; Stefánsson and Seward, 2004; Williams-Jones et al., 2009)
contour — Gold solubility contours on a log f_O2–pH diagram (Williams-Jones et al., 2009)
sphalerite — Solubility of sphalerite (Akinfiev and Tagirov, 2014)
minsol — Solubilities of multiple minerals (zincite and sphalerite) (cf. Spinks et al., 2021)
saturation — Diagram with activity ratios and mineral saturation limits (Bowers et al., 1984)
DEW — Deep Earth Water (DEW) model for high pressures (Sverjensky et al., 2014a, 2014b)
potassium — Comparison of thermodynamic datasets for predicting mineral stabilities (Sverjensky et al., 1991)
aluminum — Reactions involving Al-bearing minerals (Tutolo et al., 2014; Zimmer et al., 2016)
AD — Dissolved gases: Henry's constant, volume, and heat capacity (Akinfiev and Diamond, 2003)
yttrium — logB.to.OBIGT() fits at 800 and 1000 bar and Y-Cl speciation in NaCl() solution (Guan et al., 2020)