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Chemistry · Glossary

What is Thermal desorption spectroscopy?

Definition 16.20 University Chemistry — Year 3 · Chapter 16 — Surfaces, Adsorption and Heterogeneous Catalysis

Thermal desorption spectroscopy heats a surface carrying an adsorbate at a constant rate and records the desorbing gas with a mass spectrometer; each binding state gives a peak, whose temperature increases with its desorption activation energy.

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