Why Did The Statue Of Liberty Turn Green
Olivia Luz
The statue of liberty is green verdigris because it s original copper skin has undergone a process known as patination due to chemical reactions between metal and water.
Chemistry video reveals how new york s most famous landmark was turned green by the city s pollution when the statue of liberty was gifted to the us. By 1906 the color had changed to green. Copper atoms from the statue mix with the carbon hydrogen oxygen which creates hydroxycarbonate oxidized copper which turns green. This is similar to why the statue of liberty which is covered with a layer of copper has turned greenish blue.
This process is known as patination. Copper reacts with the air to form a patina or verdigris. It turns out that the. However because some rain has acid from pollution in it the rain speeds up the reaction just as the vinegar caused the reaction with the penny.
The reason the statue of liberty changed colors is that the outer surface is covered with hundreds of thin copper sheets. A combination of oxygen rain and sea spray all combined to turn her blue green. Such paint or technology didnt exist in the late 20th century to keep it from turning green or they didnt what cause it to turn green the start of industrialization started releasing ton of toxic. The true color of the statue of liberty before patination was a shiny reddish brown color.
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Why architects use patina. The amount of copper in the statue of liberty could make 30 million pennies. The statue would naturally turn greenish blue due to exposure to the oxygen in the air. The changing colors of the statue of liberty.
Over the next 30 years though it slowly turned to the green color you see today. This process is known as patinationand occurs with most copper when it s placed outside.
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