=
e^{(16.1 \times \frac{1}{T} - 0.0246)}$$</p>
<p><code>"Watkins13"</code>: Watkins et al. (2013):</p>
<p>$$\alpha^{18}_{calcite/water} =
e^{(17.747 \times \frac{1}{T} - 0.029777)}$$</p>
<p><code>"Daeron19"</code>: Daëron et al. (2019):</p>
<p>$$\alpha^{18}_{calcite/water} =
e^{(17.57 \times \frac{1}{T} - 0.02913)}$$</p>
<p>Options for eq if min = <code>"aragonite"</code>:</p>
<p><code>"GK86"</code>: Grossman and Ku (1986), modified by Dettman et al. (1999):</p>
<p>$$\alpha^{18}_{aragonite/water} =
e^{(2.5