Abstract: | Chemical shifts in high-resolution PMR spectra of hydroxyl groups of SiO2, Al2O3, aluminosilicate, phosphate and H-ZSM-5 zeolite catalysts have been measured and compared with IR spectroscopic data and proton charges calculated by the MINDO/3 method.
SiO2, Al2O3, , H-ZSM-5. - , MINDO/3. |