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2. Chemical coloring of metals - Wikipedia

   en.wikipedia.org/wiki/Chemical_coloring_of_metals

   Brown or black can be used as a base color for copper patina. If the amount of chlorides decreases the color will be more bluish-green, if carbonate decreases, more yellow-green. [27] Black for copper. Solution of sodium polysulfide 2.5%, items must be submerged in the solution after color developing, wash, dry and wax or varnish colored object ...

3. Verdigris - Wikipedia

   en.wikipedia.org/wiki/Verdigris

   The Statue of Liberty, showing advanced patination; verdigris is responsible for the statue's iconic green colour.. Verdigris (/ ˈ v ɜːr d ɪ ɡ r iː (s)/) [1] is a common name for any of a variety of somewhat toxic [2] [3] [4] copper salts of acetic acid, which range in colour from green to a bluish-green depending on their chemical composition.

4. Green pigments - Wikipedia

   en.wikipedia.org/wiki/Green_pigments

   Its name comes from the natural pigments that form a patina on copper, bronze, and brass as it ages. [2] The most famous example is the green patina that formed on the Statue of Liberty in New York Harbor. In the Middle Ages, the patina was made by attaching copper strips to a wooden block with acetic acid, then burying the sealed block in dung ...

5. Patina - Wikipedia

   en.wikipedia.org/wiki/Patina

   Patina also refers to accumulated changes in surface texture and color that result from normal use of an object such as a coin or a piece of furniture over time. [3] Archaeologists also use the term patina to refer to a corticated layer that develops over time that is due to a range of complex factors on flint tools and ancient stone monuments. [1]

6. Copper in architecture - Wikipedia

   en.wikipedia.org/wiki/Copper_in_architecture

   Architects sometimes request a particular patina color at installation. Factory-applied chemically induced pre-patination systems can produce a wide range of colored finishes similar to natural patination. Pre-patinated copper is particularly useful in repairs when there is need to provide close color matches to old copper roofs. [74]

7. Inside the Disturbing Case of Teen Who Withered Away While ...

   www.aol.com/inside-disturbing-case-teen-withered...

   Content warning: The following article contains disturbing descriptions of abuse. A Texas foster mother is facing serious criminal charges after the teenaged girl in her care died weighing just 78 ...

8. Why the most serious charge in Luigi Mangione’s case is only ...

   www.aol.com/news/next-steps-luigi-mangione-case...

   Given the image of the homicide captured on surveillance video – a dark-hooded figure with a gray backpack fatally shooting the executive in the back from several feet away – the case may seem ...

9. Learn more about AOL's Free Email with AOL Mail | AOL Products

   www.aol.com/products/utilities/aol-mail

   Keep your inbox clutter-free with automated tools. See all emails based on topic (e.g. photos), with contextual bonus features with the new Views functionality. Or, use advanced filters to sort ...