Isotope fractionation factor between A and B

a_A_B() calculates the isotope fractionation factor.

Usage

a_A_B(A, B)

Arguments

A

Isotope delta value of A (‰).

B

Isotope delta value of B (‰).

Value

Returns the isotope fractionation factor.

Details

$$\alpha^{i}E_{A/B} = \frac{\delta^{i}E_{A} + 1}{\delta^{i}E_{B} + 1}$$

See also

A_from_a() calculates the isotope delta value of A.

B_from_a() calculates the isotope delta value of B.

Other fractionation_factors: a13_CO2g_CO2aq(), a18_CO2acid_c(), a18_CO2aq_H2O(), a18_CO2g_H2O(), a18_CO3_H2O(), a18_H2O_OH(), a18_HCO3_H2O(), a18_c_H2O()

Examples

a_A_B(A = 10, B = 12)
#> [1] 0.9980237