A New Homogeneous Precipitation Route to Ammonium Aluminum Carbonate Hydroxide

Abstract:

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A new precipitation route to ammonium aluminum carbonate hydroxide (AACH) was presented. There was an incubation period before AACH precipitated. Effects of synthesis parameters such as pH of ammonium hydrogen carbonate solution, precipitation temperature, concentration of aluminum citrate and type of anions on the precipitation of ammonium aluminum carbonate hydroxide were discussed. It was found that the incubation period decreased with the increasing pH of AHC solution, concentration of aluminum citrate and the decreasing reaction temperature. Compared to NO3 -, SO4 2- delayed the formation of AACH and enlarged the particle size of AACH.

Info:

Periodical:

Key Engineering Materials (Volumes 336-338)

Edited by:

Wei Pan and Jianghong Gong

Pages:

974-976

DOI:

10.4028/www.scientific.net/KEM.336-338.974

Citation:

S. H. Bai et al., "A New Homogeneous Precipitation Route to Ammonium Aluminum Carbonate Hydroxide", Key Engineering Materials, Vols. 336-338, pp. 974-976, 2007

Online since:

April 2007

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Price:

$35.00

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