Cobalt Impregnated Alumina: Nitrogen Adsorption Study at 77 K

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Turkish Journal of Chemistry
Volume:29 Issue:1
Cobalt Impregnated Alumina: Nitrogen Adsorption Study at 77 K

Cobalt Impregnated Alumina: Nitrogen Adsorption Study at 77 K

Authors : Riaz QADEER, Sumeera IKRAM

Pages : 101-106

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Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :Alumina powder is impregnated with cobalt in the concentration range 5% to 20% insert ignore into journalissuearticles values(w/v); and is characterized by nitrogen adsorption at 77 K by continuous flow method using the Quantasorb sorption system. It was observed that cobalt metal on impregnation does not contribute any extra surface to alumina. Values of BET surface area determined from nitrogen adsorption data follow the sequence Co insert ignore into journalissuearticles values(20% w/v); - Al2O3 < Co insert ignore into journalissuearticles values(10% w/v); - Al2O3 < Co insert ignore into journalissuearticles values(5% w/v); - Al2O3 < Pure Al2O3. Pore size distribution curves demonstrate the mesoporous nature of cobalt impregnated alumina.
Keywords : Turk J Chem, 29, 2005, 101 106 Turk J Chem, vol 29, iss 1

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