Self-diffusion of water molecules after contact with silicon-containing compounds
| Autor: | V. I. Slisenko, O. A. Vasylkevych, N. I. Mazina, T. V. Karmazina |
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| Jazyk: | English<br />Russian<br />Ukrainian |
| Rok vydání: | 2018 |
| Předmět: | |
| Zdroj: | Âderna Fìzika ta Energetika, Vol 19, Iss 2, Pp 131-135 (2018) |
| Druh dokumentu: | article |
| ISSN: | 1818-331X 2074-0565 |
| DOI: | 10.15407/jnpae2018.02.131 |
| Popis: | Influence of crystalline and amorphous silica on the diffusion coefficients of water molecules according to the experimental data on quasi-elastic scattering of slow neutrons is quantified. It was established that after the contact of silicon-containing compounds of natural origin chalcedony and spongolit with water, the mechanisms of its self-diffusion are significantly changed: self-diffusion is carried out only by the mechanism of continuous diffusion; the magnitude of the total self-diffusion coefficient of water molecules decreases and there is no contribution from the activation mechanism of self-diffusion by at least 24 hours after separation of the solid phase from the liquid. The pyrogenic amorphous silica has relatively little effect on the diffusion of water molecules. |
| Databáze: | Directory of Open Access Journals |
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