The interaction between Cu exchanged smectites with different layer charge minerals and alpha amino acids glycine and cysteine were studied. A wide variety of analytical techniques were employed namely chemical analyses on solution and mineral, X ray diffraction at room temperature and in the temperature range between 25 and 400 °C, thermal analyses and evolved gasses mass spectrometry.The results suggest that: i) the amount of metal sorbed depends on pH and concentration of solution; ii) organo-metallic complexes are formed in the interalyer region and variations in the Cu local environment occur following treatments with amino acid solution.
Organo-Metallic Complexes and Phyllosilicate / Malferrari, Daniele. - In: PLINIUS. - ISSN 1120-317X. - STAMPA. - 29:(2003), pp. 47-52.
Organo-Metallic Complexes and Phyllosilicate
MALFERRARI, Daniele
2003
Abstract
The interaction between Cu exchanged smectites with different layer charge minerals and alpha amino acids glycine and cysteine were studied. A wide variety of analytical techniques were employed namely chemical analyses on solution and mineral, X ray diffraction at room temperature and in the temperature range between 25 and 400 °C, thermal analyses and evolved gasses mass spectrometry.The results suggest that: i) the amount of metal sorbed depends on pH and concentration of solution; ii) organo-metallic complexes are formed in the interalyer region and variations in the Cu local environment occur following treatments with amino acid solution.
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