Basic computations relevant to IRMS measurements of carbon dioxide.

• Python library co2irms
  • function ratios_to_deltas() computes (δ13C_VPDB, δ18O_VSMOW), from “absolute” isobaric ratios (R45, R46).
  • function deltas_to_ratios() computes (R45, R46), from (δ13C_VPDB, δ18O_VSMOW).

Contact: mathieu@daeron.fr