| Autor: |
Kuznetsova, T. F., Eremenko, S. I., Lemeshonok, G. S. |
| Zdroj: |
Inorganic Materials; September 2000, Vol. 36 Issue: 9 p932-934, 3p |
| Abstrakt: |
Adsorption-desorption isotherms of tetrachloromethane and water vapors were used to characterize the adsorption properties of porous tin silicophosphate prepared by coprecipitation from a solution of activated silicic acid and SnCl4at Si : Sn molar ratios from 0.9 : 0.1 to 0.1 : 0.9. The adsorption isotherms obtained are characteristic of microor mesoporous adsorbents. The boundary between microand mesoporous microstructures lies at Si : Sn = 0.3 : 0.7. The isotherms of water vapor sorption are found to be irreversible over the entire range of relative pressures studied. |
| Databáze: |
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