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Studies on the recrystalization of nanocrystalline metals

Lendzion-Bieluń Z., Gleń M.

Polish Journal of Chemical Technology

2007

Vol. 9, nr 4

5-7

The influence of the promoters such as CaO, Al2O3 and K2O on the specific surface area of the nanocrystalline cobalt was determined. The recrystalization process of the nanocrystalline cobalt was determined and compared with the examinations conducted on the iron catalyst for ammonia synthesis. The triply promoted nanocrystalline obtained cobalt after the annealing process, has got greater specific surface area than the triply promoted iron.