The influence of the nature of the Zn, Al and Pt precursors, and of the temperature of precipitation and aging have been studied in connection with the preparation of Zn/Al and Pt/Zn/Al layered double hydroxides (LDH) by the sol-gel method. Whatever the precursors the XRD analysis shows that LDH is
✦ LIBER ✦
Synthesis of [Zn–Al–CO3] layered double hydroxides by a coprecipitation method under steady-state conditions
✍ Scribed by Z. Chang; D.G. Evans; X. Duan; C. Vial; J. Ghanbaja; V. Prevot; M. de Roy; C. Forano
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 615 KB
- Volume
- 178
- Category
- Article
- ISSN
- 0022-4596
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Various layered double hydroxides (LDHs) consisting of magnesium and a trivalent metal (Al, Ga or In) in an Mg/M(III) ratio of 3 were prepared by precipitation from the corresponding nitrates and also from magnesium ethoxide and the acetylacetonates of the trivalent metals using the sol-gel method.