'Aquatint' is a process of etching which alloying metal with acid?
Aquatint Aquatint Aquatint is an intaglio printmaking technique, a variant of etching. In intaglio printmaking, the artist makes marks on the plate (in the case of aquatint, a copper or zinc plate) that are capable of holding ink. The inked plate is passed through a printing press together with a sheet of paper, resulting in a transfer of the ink to the paper. This can be repeated a number of times, depending on the particular technique. Like etching, aquatint uses the application of a mordant to etch into the metal plate. Where the engraving technique uses a needle to make lines
Etching on the plate can also be added to by repeating the whole process; this creates an etching which exists in more than one state. Etching has often been combined with other intaglio techniques such as engraving (e.g., Rembrandt) or aquatint (e.g., Francisco Goya). Etching by goldsmiths and other metal-workers in order to decorate metal items such as guns, armour, cups and plates has been known in Europe since the Middle Ages at least, and may go back to antiquity. The elaborate decoration of armour, in Germany at least, was an art probably imported from Italy around the end of the