Unterschiede

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--- en:hydro:isotopes [2022/06/28 09:52] – [Equilibrium fractionation] ckuells
+++ en:hydro:isotopes [2022/06/28 10:55] – [Rayleigh Fractionation] ckuells
@@ Zeile 29: / Zeile 29: @@
 $$\delta { }^{18}O = \frac{R_{Standard}-R_{Probe}}{R_{Standard}} \cdot 1000 $$
-Hence, once the  isotope ratio $R_{Probe}$ has been calculated, it can be converted to a $\delta$ value using that relationship.
+Hence, once the  isotope ratio $R_{Probe}$ has been calculated, it can be converted to a $\delta$ value using that relationship. Many $\alpha$ values can be found at [[https://alphadelta.ggl.ulaval.ca/temp_select_page.html|alphadelta]]
 <code S| Fractionation.R>
@@ Zeile 185: / Zeile 185: @@
 $$R = R_0 \cdot f^{\left(\alpha-1\right)}$$
-Code for Rayleigh fractionation.
+Code for Rayleigh fractionation. Please not that it requires the function equilibrium that is provided above. To run this code, you can add it to the first block of code at the bottom and execute the entire block - the function is then available.
 <code S| Rayleigh.R>