Auhtors: Chequer FM, Dorta DJ, Oliveira DP DOI:10.5772/19872 Abstract Colorants (dyes and pigments) are important industrial chemicals. According to the technological nomenclature, pigments are colorants which are insoluble in the medium to which they are added, whereas dyes are soluble in the medium. The world’s first commercially successful synthetic dye, named mauveine, was discovered by [...]

Auhtors: Ahlstrom LH, Sparr Eskilsson C, Bjorklund E doi: https://doi.org/10.1016/j.trac.2004.09.004 Abstract Azo dyes, extensively used for coloring a variety of consumer goods, such as leather, clothes, food, and toys, can under certain conditions be reduced to form confirmed or suspected carcinogenic aromatic amines. This article gives an overview of the state of development of analytical [...]