H2O Outgassing Properties of Fumed and P
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Long Ngoc Dinh; Mehdi Balooch; James Daniel LeMay
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Article
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2000
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Elsevier Science
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English
⚖ 154 KB
Temperature-programmed desorption was performed at temperatures up to 850 K on as-received fumed and precipitated silica particles. Physisorbed water molecules on both types of silica had activation energies in the range of 38-61 kJ/mol. However, the activation energies of desorption for chemisorbed