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Magnetization and Composition Studies of Alumina and Silica Sol-gel Encapsulated Co/Fe/Ru Catalysts in Micro-reactors for Conversion of Syngas to Higher Alkanes
2004
Microscopy and Microanalysis
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Most heterogeneous catalysts are comprised of transition elements, which have incomplete delectron shell and unpaired electron spins. These features are responsible for their specific magnetic as well as their valuable catalytic properties [1,2]. Here we studied the magnetic characters of Co (12%), Fe (12%), and Ru (1%) encapsulated Al 2 O 3 or SiO 2 sol-gel deposited micro-reactors as deposited, reduced and exposed to the syn-gas (CO+H 2 ) using Vibrating Sample Magnetometer (VSM). SEM and EDX
doi:10.1017/s1431927604886161
fatcat:54if7ucwjraedm6yuwyvrv76fm