59 \times \frac{1000}{T^{2}} + 0.000715)}$$</p>
<p><code>"Kim07"</code>: Kim et al. (2007):</p>
<p>$$\alpha^{18}_{aragonite/water} =
e^{(17.88 \times \frac{1}{T} - 0.03114)}$$</p>
<p>Options for eq if min = <code>"apatite"</code>.
Apatite refers to apatite-bound carbonate.</p>
<p><code>"Lecuyer10"</code>: Lécuyer et al. (2010):</p>
<p>$$\alpha^{18}_{apatite/water} =
e^{(25.19 \times \frac{1}{T} - 0.05647)}$$</p>
<p>Options for eq if min = <code>"siderite"</code>:</p>
<p><code>"vanDijk18"</code>: van Dijk e