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    STUDIA CHEMIA - Issue no. 1-2 / 2001  
         
  Article:   ABOUT MESOPOROSITY CHARACTERISTICS OF IRON CONTAINING HYDROTALCITE-LIKE MATERIAL STUDIED BY USING N2 ADSORPTION METHOD.

Authors:  GABRIELA CARJA, NECULAI AELENEI, IGOR CREŢESCU, DOINA SIBIESCU, DANIEL MARECI. 		 
       
         
  Abstract:  Layered double hydroxides in which iron was introduced in the hydrotalcite layer were synthesized by a coprecipitation method. X-ray diffraction (XRD) and N2 adsorption were used like physical-chemical techniques to characterize the emerged materials. The treatment of the adsorption isotherms by different computation models show that nonuniformity and the constrictions of the mesoporous structure accentuated, BET surface area increased while pore volume decreased when iron was introduced in the hydrotalcite network.  
         
     
         
         
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