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    Cement paste colouring in concretes

    New search for: Chinchon, S.
    New search for: Garcia, J.
    New search for: Lopez-Atalaya, M.
    New search for: Linares, A.
    New search for: Vera, R.

    Tests have been carried out with chemicals that give rise to coloured compounds through a selective reaction with certain mineral species present in cement paste. In the case of carbonated concretes (pH congruent 9), the reaction with potassium ferrocyanate dyes the cement paste a strong blue colour that disappears when the concrete is treated again with a slightly more alkaline solution. Both in carbonated concretes and in young concretes with an alkaline reserve (pH congruent 12.5), the tannic acid dyes the cement paste dark brown.

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    Cement paste colouring in concretes

    New search for: Chinchon, S.
    New search for: Garcia, J.
    New search for: Lopez-Atalaya, M.
    New search for: Linares, A.
    New search for: Vera, R.

    Tests have been carried out with chemicals that give rise to coloured compounds through a selective reaction with certain mineral species present in cement paste. In the case of carbonated concretes (pH congruent 9), the reaction with potassium ferrocyanate dyes the cement paste a strong blue colour that disappears when the concrete is treated again with a slightly more alkaline solution. Both in carbonated concretes and in young concretes with an alkaline reserve (pH congruent 12.5), the tannic acid dyes the cement paste dark brown.

    Access

    Access via TIB
    Check availability in my library
    Order at Subito €

    Cement paste colouring in concretes

    New search for: Chinchon, S.
    New search for: Garcia, J.
    New search for: Lopez-Atalaya, M.
    New search for: Linares, A.
    New search for: Vera, R.

    Tests have been carried out with chemicals that give rise to coloured compounds through a selective reaction with certain mineral species present in cement paste. In the case of carbonated concretes (pH congruent 9), the reaction with potassium ferrocyanate dyes the cement paste a strong blue colour that disappears when the concrete is treated again with a slightly more alkaline solution. Both in carbonated concretes and in young concretes with an alkaline reserve (pH congruent 12.5), the tannic acid dyes the cement paste dark brown.

    Access

    Access via TIB
    Check availability in my library
    Order at Subito €

    Access

    Access via TIB
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    Document information
    Title:

    Cement paste colouring in concretes

    Contributors:

    Chinchon, S. (author) / Garcia, J. (author) / Lopez-Atalaya, M. (author) / Linares, A. (author) / Vera, R. (author)

    Published in:

    Cement and Concrete Research ; 34 ; 1987-1991

    Publication date:

    2004

    Size:

    5 Seiten, 8 Quellen

    ISSN:

    0008-8846

    DOI:

    https://doi.org/10.1016/j.cemconres.2004.02.023

    Type of media:

    Article (Journal)

    Type of material:

    Print

    Language:

    English

    Keywords:

    Zement , Farbe , Bildanalyse , pH-Einfluss , Carbonisieren , Zementpaste , Farbstoffaufnahme , Farbstoff , Zinnsäure , Cyanblau , Kaliumcyanat

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