AlphaDelta
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AlphaDelta is an online tool and iOS app to compute the isotope fractionation for light stable isotopes (H, C, O, S). You can either compute the 1000 ln (alpha) value for a temperature or compute the temperature of equilibrium from the Delta value between two isotopic substances. More than 1100 equilibrium fractionation equations are compiled. The iOS app is available on the iTunes App store for FREE:
http://itunes.apple.com/ca/app/alphadelta/id421377528?mt=8
Just added to AlphaDelta the equations from :
-Chacko T, Deines P (2008) Theoretical calculation of oxygen isotope fractionation factors in carbonate systems. Geochimica et Cosmochimica Acta 72:3642-3660.
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-van Dijk J, Fernandez A, Müller IA, Lever M, Bernasconi SM (2018) Oxygen isotope fractionation in the siderite-water system between 8.5 and 62 °C. Geochimica et Cosmochimica Acta 220:535-551. doi: https://doi.org/10.1016/j.gca.2017.10.009.
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Université Laval
Quebec, QC
