A. Tuel et al., P-31 NUCLEAR-MAGNETIC-RESONANCE BY SPIN-ECHO MAPPING - A NEW TOOL TO APPROACH THE OXIDATION-STATE IN VPO CATALYSTS, Catalysis today, 37(1), 1997, pp. 59-68
This article reviews the possibilities of P-31-NMR by spin echo mappin
g to gain information on the physico-chemistry of vanadium phosphorus
oxide catalysts, particularly on poorly crystallized materials for whi
ch the X-ray diffraction technique is unsuccessful.