Chinchón Yepes, Servando, Garcia-Martinez, Javier, López de Atalaya Alberola, María del Mar, Linares-Solano, Angel, Vera Soriano, Roberto
Cement paste colouring in concretes
CHINCHÓN YEPES, Servando, et al. "Cement paste colouring in concretes". Cement and Concrete Research. Vol. 34, Issue 11 (Nov. 2004). ISSN 0008-8846, pp. 1987-1991
URI: http://hdl.handle.net/10045/11807
DOI: 10.1016/j.cemconres.2004.02.023
ISSN: 0008-8846 (Print)
Abstract: 
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≅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.
Keywords:Concrete, Cement paste, Image analysis, Coloured compounds
Elsevier
info:eu-repo/semantics/article