Preparation of copper-aluminum double hydroxides by a coprecipitation method

In Yong Park, Kazuyuki Kuroda, Chuzo Kato

研究成果: Article

抜粋

Copper-aluminum double hydroxides were prepared by coprecipitation from mixed solutions of copper sulfate and aluminum sulfate. The double hydroxides formed when Al3+/(Cu2+ + Al3+) in the initial solution was in the range between 0.25 and 0.35. However, chemical analyses showed that the aluminum contents of the formed double hydroxides were higher than those of the initial solutions. In addition, the basal spacings of the products were similar. These results suggested that the copper-aluminum double hydroxides formed could not be assigned to the hydrotalcite-like compounds. Sulfate anions were present in the interlayer region and no carbonate anions were detected. The anion exchange for chloride anions was confirmed. The aging effect in the preparative stage and the thermal behavior of the double hydroxides were also investigated.

元の言語English
ページ(範囲)1-6
ページ数6
ジャーナルWaseda Daigaku Rikogaku Kenkyusho Hokoku/Bulletin of Science and Engineering Research Laboratory, Waseda University
発行部数122
出版物ステータスPublished - 1989 12 1

ASJC Scopus subject areas

  • Engineering(all)

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