Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Cement paste colouring in concretes
AbstractTests 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≅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≅12.5), the tannic acid dyes the cement paste dark brown.
Cement paste colouring in concretes
AbstractTests 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≅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≅12.5), the tannic acid dyes the cement paste dark brown.
Cement paste colouring in concretes
Chinchón, S. (Autor:in) / Garcı́a, J. (Autor:in) / López-Atalaya, M. (Autor:in) / Linares, A. (Autor:in) / Vera, R. (Autor:in)
Cement and Concrete Research ; 34 ; 1987-1991
19.02.2004
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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