... New fine textured form of amorphous alumina in the form of hollow macrotubes . ... Amorphous material of the tubes was characterized by means of chemical analysis, electronic and atomic-force microscopy, local microanalysis, NMR ( 27 Al)- and FTIR-spectra, X-ray diffraction analysis. ... Moscow University Chemistry Bulletin . 2002, Vol. ... Copyright (C) Chemistry Dept., Moscow State University, 2002 . ... Copyright (C) Chemisty Department of Moscow State University . ...