Method of preparation of an ecological pigment for painting and use of pigment as pictorial material (Machine-translation by Google Translate, not legally binding)

摘要

Method for manufacturing an ecological pigment to color and paint on various surfaces, such as textiles, wood, papers, which comprises a) preparing a solution from wine and ascorbic acid; b) pour the solution into a container and heat it to a boil; c) then, the reduced solution is poured into a second container, for cooling and for the solution to solidify and d) pulverization to obtain a powdery pictorial material. (Machine-translation by Google Translate, not legally binding)