mordant (surface preparation material)

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Scope note
Chemical substance that fixes a dye in or on a substance by combining with the dye to form an insoluble compound. In etching, refers to a corrosive substance, such as a nitric acid solution, used to corrode or bite the exposed areas of a metal plate. In gilding, refers to a viscous substance used to adhere the gold leaf to a surface.
mordant
Accepted term: 18-Nov-2024