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DOI: 10.1039/A802268B (Paper) Reference Section for: Chem. Commun., 1998, 1489-1490

Inhomogeneity in the interaction between methanol molecules and Brønsted acid sites of H-ZSM-5 directly detected by 2D CPMAS 13C NMR spectroscopy

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Kei Inumaru, Ni Jin and Sayaka Uchida

Abstract

1D and 2D exchange 13C NMR investigation of the states of methanol adsorbed on H-ZSM-5 at ambient temperature demonstrates the coexistence of methanol strongly interacting with Brønsted acid sites and methanol physisorbed or hydrogen-bonded, and provides the first spectroscopic evidence of a wide distribution in the strength of its interaction with Brønsted acid sites.

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