Blue Green Patina On Copper By Oxidation

Remove oxidation from copper with a paste made of white vinegar salt and flour.

Blue green patina on copper by oxidation.

For a blue patina mix one part miracle gro with three parts water for a solution that you can spray or wipe onto the copper. Patina p ə ˈ t iː n ə or ˈ p æ t ɪ n ə is a thin layer that variously forms on the surface of copper brass bronze and similar metals tarnish produced by oxidation or other chemical processes or certain stones and wooden furniture sheen produced by age wear and polishing or any similar acquired change of a surface through age and exposure. A lovely patina is possible through the use of a patina kit or homemade concoctions. When copper is exposed to water it turns a bluish green color like the statue of liberty or the roofs on old mansard buildings.

Many common cleaners leave this patina untouched. The patina gives the statue of liberty its characteristic appearance but the oxidation of copper can also cause undesirable effects under some circumstances. Aged copper displays a protective layer of rich blue green patina also known as verdigris rather than waiting the five to seven years it takes for new copper to naturally develop a patina when exposed to the elements you can get that look now. The process of the change in color of copper when it is exposed to air is called oxidation oxidation typically turns copper black which is evidenced by dirty looking pennies that have been passed around for a long time.

Copper characteristics copper s element symbol cu is derived from the latin cuprum which translates to metal of cyprus indicating where it was mined in ancient times. Exposure to air can cause your copper to oxidize and tarnish with a blue green patina. Prep to remove oxidation by verifying the metal item is really copper and checking for the presence of lacquer.