Nature of mixed iron and aluminium gels as affected by Fe/Al molar ratio, pH and citrate

@article{Violante1998NatureOM,
  title={Nature of mixed iron and aluminium gels as affected by Fe/Al molar ratio, pH and citrate},
  author={A. Violante and C. Colombo and G. Cinquegrani and P. Adamo and P. Violante},
  journal={Clay Minerals},
  year={1998},
  volume={33},
  pages={511 - 519}
}
  • A. Violante, C. Colombo, +2 authors P. Violante
  • Published 1998
  • Chemistry
  • Clay Minerals
  • Abstract The nature and mineralogy of mixed Al and Fe(III) gels (initial Fe/Al molar ratios (Ri) of 1.0 and 2.5) formed at pH values ranging from 4.0 to 10.0, both in the presence and absence of citric acid (citrate/Fe + Al molar ratio (Rcit) of 0.01 and 0.1) and aged for a long period at room temperature and at 50°C have been studied. The complexes showed considerable differences in the mineralogy of the precipitation products. The samples formed at Ri = 1.0 contained ferrihydrite at pH 4.0… CONTINUE READING
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