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Figure 11 | Geochemical Transactions

Figure 11

From: Phenylalanine as a hydroxyl radical-specific probe in pyrite slurries

Figure 11

Modeled versus observed ΣTyr concentrations for 4 different sets of experiments. Corresponding to the data for Phe shown in Figure 10, concentrations of ΣTyr were derived using Equation 14, the K pyr calculated for each experimental set, and a value of 0.5 for α. Note that for points where values are predicted but not measured for Tyr, there was an apparent lag in Phe degradation at the first time point (see inset). Similarly, several instances when no Tyr is predicted to be present, low-levels were observed corresponding to later time points in the incubation where the vast majority of Tyr had been degraded.

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