Abstract
Incandescent filaments have been examined by thermal desorption. Desorption activation energies have been calculated by two methods and compared with data for clean tungsten surfaces. Distributions of adsorbed molecules with different binding energies are also given for H 2, CO, N 2, CO 2 and H 2O. It has been observed that diffusion and chemical reactions occur at temperatures higher than 1000 K. These processes affect the thermal desorption spectra.
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