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| Content Provider | Springer Nature Link |
|---|---|
| Author | Anjoh, riyuki Yamazaki, Tatsuya Ozawa, Sentaro |
| Copyright Year | 1997 |
| Abstract | The behavior ofp-nitrotoluene adsorbed at zeolite/n-heptane interface has been investigated by the electronic spectroscopy under pressure up to 300 MPa. The uv-vis absorption bands of adsorbedp-nitrotoluene were deconvoluted into ones for the species adsorbed on the cation sites, and one for that on the pore wall of zeolite. The peak of adsorbed species on the cation site red-shifted by 20–80 nm from the position of the same species in the liquid phase, and their magnitudes of shift depended on the strength of electric field generated by the cation in zeolites. The peak intensities of adsorbed species on the cation site were enhanced but these or the pore wall site were reduced with the increase in pressure, suggesting that a part ofp-nitroluene molecules on the pore wall site desorbed and the adsorption on the cation site was enhanced by compression. The pressure dependence of peak intensity indicated that the behavior of this adsorption system was strongly governed by the solvation structure of the adsorbate in the zeolite pore. In particular, it was found that the adsorption of solvent molecules on the cation site strongly affected the volume change of the adsorption system. |
| Starting Page | 173 |
| Ending Page | 180 |
| Page Count | 8 |
| File Format | |
| ISSN | 09295607 |
| Journal | Adsorption |
| Volume Number | 3 |
| Issue Number | 2 |
| e-ISSN | 15728757 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2013-07-27 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | electronic spectra adsorption of liquid zeolites p-nitrotoluene high pressure Industrial Chemistry/Chemical Engineering Surfaces and Interfaces, Thin Films Engineering Thermodynamics, Heat and Mass Transfer |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Chemical Engineering Surfaces and Interfaces |
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