Studies on the Adsorption of Pyridine and 2,6-Dimethylpyri-dine on SiO2, Al2O3, NaY and HY by 13CNMR

Abstract

Abstract: The dynamic information about adsorbed molecules on solid surface can be provided by using ¹³CNMR spectrometry. In the adsorption systems used, the line broadening of the spectrum is mainly due to the dipole-dipole interaction between adsorbed molecues, it is therefore clear that the comparison of linewidth between different adsorbed systems provide a qualitative measure for the mobility of adsorbed species. In the present paper the . adsorption behavior of pyridine and 2,6-dimethylpyridine on the surface of SiO₂, A1₂O₃, NaY, HYhas been demonstrated by this technique. The nature of gas-solid interaction and the configuration of the adsorbed molecules were also discussed.

Key words: 13CNMR, Adsorption, Pyridine, 2,6-Dimethylpyridine

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Sheng Taicheng, Xu Zongyu, Zhao Huansui, Hao Shuxuan . Studies on the Adsorption of Pyridine and 2,6-Dimethylpyri-dine on SiO₂, Al₂O₃, NaY and HY by ¹³CNMR[J]. Chem. J. Chinese Universities, 1989, 10(3): 317.

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Studies on the Adsorption of Pyridine and 2,6-Dimethylpyri-dine on SiO₂, Al₂O₃, NaY and HY by ¹³CNMR

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