Preparation of copper-aluminum double hydroxides by a coprecipitation method

In Yong Park, Kazuyuki Kuroda, Chuzo Kato

    Research output: Contribution to journalArticle

    Abstract

    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.

    Original languageEnglish
    Pages (from-to)1-6
    Number of pages6
    JournalWaseda Daigaku Rikogaku Kenkyusho Hokoku/Bulletin of Science and Engineering Research Laboratory, Waseda University
    Issue number122
    Publication statusPublished - 1989

    Fingerprint

    Coprecipitation
    Negative ions
    Copper
    Aluminum
    Carbonates
    Ion exchange
    Aging of materials
    Sulfates

    ASJC Scopus subject areas

    • Engineering(all)

    Cite this

    @article{ea5945c4d4f54007bcd052e2c097a994,
    title = "Preparation of copper-aluminum double hydroxides by a coprecipitation method",
    abstract = "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.",
    author = "Park, {In Yong} and Kazuyuki Kuroda and Chuzo Kato",
    year = "1989",
    language = "English",
    pages = "1--6",
    journal = "Waseda Daigaku Rikogaku Kenkyusho Hokoku/Bulletin of Science and Engineering Research Laboratory, Waseda University",
    issn = "0372-7181",
    number = "122",

    }

    TY - JOUR

    T1 - Preparation of copper-aluminum double hydroxides by a coprecipitation method

    AU - Park, In Yong

    AU - Kuroda, Kazuyuki

    AU - Kato, Chuzo

    PY - 1989

    Y1 - 1989

    N2 - 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.

    AB - 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.

    UR - http://www.scopus.com/inward/record.url?scp=0024875108&partnerID=8YFLogxK

    UR - http://www.scopus.com/inward/citedby.url?scp=0024875108&partnerID=8YFLogxK

    M3 - Article

    AN - SCOPUS:0024875108

    SP - 1

    EP - 6

    JO - Waseda Daigaku Rikogaku Kenkyusho Hokoku/Bulletin of Science and Engineering Research Laboratory, Waseda University

    JF - Waseda Daigaku Rikogaku Kenkyusho Hokoku/Bulletin of Science and Engineering Research Laboratory, Waseda University

    SN - 0372-7181

    IS - 122

    ER -