Diffusion kinetics of water molecules in a nanoporous adsorbent |
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| Authors: | P O Kapralov V G Artemov G A Gusev V I Tikhonov A A Volkov |
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| Institution: | (1) Prokhorov General Physics Institute, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia |
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| Abstract: | The diffusion of water vapor into porous polymer adsorbent MN-200 has been investigated by diode laser spectroscopy with a time resolution of 0.1 s. The cascade character of diffusion, caused presumably by the fractality of the porous matrix space, is established by decomposition analysis. The collisionless (Knudsen) mode of water motion in pores, in which water molecules can be sorted according to their spin states, is selected. |
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