Abstract
The most recent advances in magnetometric methods of investigation of supported Co-, Ni- and Fe-containing catalysts are outlined. Magnetic characteristics provide comprehensive information on (i) catalytic reactions, (ii) the size and distribution of ferromagnetic nanoparticles in topochemical reactions during the catalyst preparation and in the catalytic process and (iii) chemisorption on ferromagnets. The characteristic features and advantages of different magnetometric methods and their combinations with traditional methods of investigation of catalysts are considered.