Tartaric acid is used to generate carbon dioxide through interaction with sodium bicarbonate. Also Tartaric acid used in cleaning of brass, the electrolytic tinning of iron and steel, and the coating of other metals with gold and silver. Tartar emetic is used as an insecticide and a dyeing mordant.

Tartaric Acid solution clean copper coins very well, as the tartrate solution can dissolve the layer of copper oxide present on the surface of the coin. Industrial uses of Tartaric acid :  Tartaric acid chelate metal ions such as calcium and magnesium which helps to clean aluminium, copper, iron, and alloys of these metals, respectively.  Chelating behaviour of Tartaric acid also helps as complexing micronutrients in soil fertilizer.