Abstract

The authors investigate the IR spectra of the hydroxyl cover of boehmite and its active centers. In addition to the bands at 3660, 3430, 3280, 3210, and 3080 cm/sup -1/, pertaining to stretching vibrations of OH groups located on the surface of the primary crystal of boehmite, bands were found at 2080, 1970, and 1860 cm/sup -1/ which are due to vibrations of interlayer hydroxyl groups connected by hydrogen bonds.

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