Química en pequeñas dosis: los tintes Authors Javier Medina Fernández Paz Posse Hernanz Carmen Guerra Retamosa Abstract This article explains the activity Dyes, part of Chemistry in small doses, a permanent space where small demonstrations and experiments with explanations about curiosities and utilities related to the world of chemistry are explained. The activity of the museum introduces visitors to the fascinating world of colour and chemical synthesis, through a journey in time on the use of certain dyes or colorants, the extraction of plant pigments and light and colour relationships, and also has supporting the educational community as one of its objectives. Downloads Text complet (Català) Published 2013-07-10 Issue No. 13 (2012) Section Química i societat License The intellectual property of articles belongs to the respective authors.On submitting articles for publication to the journal Educació Química, authors accept the following terms:Authors assign to Societat Catalana de Química (a subsidiary of Institut d’Estudis Catalans) the rights of reproduction, communication to the public and distribution of the articles submitted for publication to Educació Química.Authors answer to Societat Catalana de Química for the authorship and originality of submitted articles.Authors are responsible for obtaining permission for the reproduction of all graphic material included in articles.Societat Catalana de Química declines all liability for the possible infringement of intellectual property rights by authors.The contents published in the journal, unless otherwise stated in the text or in the graphic material, are subject to a Creative Commons Attribution-NonCommercial-NoDerivs (by-nc-nd) 3.0 Spain licence, the complete text of which may be found at https://creativecommons.org/licenses/by-nc-nd/3.0/es/deed.en. Consequently, the general public is authorised to reproduce, distribute and communicate the work, provided that its authorship and the body publishing it are acknowledged, and that no commercial use and no derivative works are made of it.Educació Química is not responsible for the ideas and opinions expressed by the authors of the published articles.