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C16O18O/C16O2 QMS signal ratio from the anaerobic mineralization of benzene in acetonitrile in the presence of Ti18O2 (1–3) and Ti16O2 (4) under illumination. The following water concentrations were employed: (1) c(H2O) = 0.560 mmol L–1, (2) c(H2O) = 10 mmol L–1, (3) c(H2O) = 24 mmol L–1, and (4) c(H2O) = 24 mmol L–1. Copyright 2014 Wiley. Used with permission from ref (21).
