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Normalized cumulative formation of CO2 during temperature-programmed oxidation (1 °C min–1) of spent GaPt SCALMS using Al2O3 (blue), SiO2 (purple), and SiC (dark green) as support materials after propane dehydrogenation at 600 °C as monitored via high-resolution thermogravimetry coupled with mass spectrometry. Conditions: He flow 100 mLN min–1 for TOS < 0; He flow 79 mLN min–1 and O2 flow 21 mLN min–1 for TOS > 0; GHSV 30 000 mLN g–1 h–1.
