a18_H2O_OH {isogeochem}

18O/16O fractionation factor between water and hydroxide ion

Description

a18_H2O_OH() calculates the 18O/16O fractionation factor between water and aqueous hydroxide ion.

Usage

a18_H2O_OH(temp, eq)

Arguments

temp

Temperature (°C).

eq

Equation used for the calculations.

• Z20-X3LYP: the theoretical X3LYP/6-311+G(d,p) equation of Zeebe (2020).

• Z20-MP2: the theoretical MP2/aug-cc-pVDZ equation of Zeebe (2020).

Value

Returns the 18O/16O fractionation factor.

References

Zeebe, R. E. (2020). Oxygen isotope fractionation between water and the aqueous hydroxide ion. Geochimica et Cosmochimica Acta, 289, 182-195. doi:10.1016/j.gca.2020.08.025

See Also

Other fractionation_factors: a13_CO2g_CO2aq(), a18_CO2acid_c(), a18_CO2aq_H2O(), a18_CO2g_H2O(), a18_CO3_H2O(), a18_HCO3_H2O(), a18_c_H2O(), a_A_B()

Examples

a18_H2O_OH(temp = 90, eq = "Z20-X3LYP")