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Change in concentration of different aldonic acids during ammoxidation (isobar 0.2 MPa O2) of glucose at 70 °C (A), 100 °C (B), and 140 °C (C). Legend: solid black squares, glycolic acid; open white squares, glyceric acid; solid black circles, tetronic acid; open white circles, pentonic acid; solid black triangles, hexonic acid. Values for pentonic and hexonic acids are sums of diastereomeric compounds.
