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  2. Bronze disease - Wikipedia

    en.wikipedia.org/wiki/Bronze_disease

    The oxide may coat the artefact with unsightly but harmless black spots or generally darken the metal. [2] [3] The duration of soaking may be days to weeks or even a year for severely contaminated objects. The sesquicarbonate may remove copper from the artefact as it forms a complex ion with copper. Amateurs report that the patina may be ...

  3. Conservation and restoration of outdoor bronze objects

    en.wikipedia.org/wiki/Conservation_and...

    Protective elements for bronze fountains are particularly important, since water is one of the leading causes for alterations or corrosion in a bronze. [2] Bronze sculptures incorporated in fountains will need more layers of wax, because the spray of water will cause deterioration of the wax at a faster pace than would normally happen.

  4. 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.

  5. 118 Satisfying Before And After Restoration Pics That Prove ...

    www.aol.com/lifestyle/118-satisfying-restoration...

    Image credits: stickchomper Those restorations where wooden furniture is brought to its original state I enjoy the most. When antique or vintage pieces get a good cleaning, a fresh coat of stain ...

  6. Conservation and restoration of shipwreck artifacts - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    Iron and copper oxides can penetrate deep into the pores of ceramics and stones and create reddish-brown to black stains (iron oxide) and blue-green stains (copper oxides). The use of EDTA salt solution can be used to remove the oxides. A mild solution consists of 3% to 5% of EDTA; 15% to 20% solution in water on ceramics to remove the stains.

  7. This Is Why Your Skin Turns Green After Wearing Certain ... - AOL

    www.aol.com/why-skin-turns-green-wearing...

    The good news: there are still ways to wear your favorite pieces of jewelry. The post This Is Why Your Skin Turns Green After Wearing Certain Jewelry appeared first on Reader's Digest.

  8. Patina - Wikipedia

    en.wikipedia.org/wiki/Patina

    Patina (/ p ə ˈ t iː n ə / pə-TEE-nə or / ˈ p æ t ɪ n ə / PAT-ih-nə) is a thin layer that variously forms on the surface of copper, brass, bronze, and similar metals and metal alloys (tarnish produced by oxidation or other chemical processes), or certain stones [1] and wooden furniture (sheen produced by age, wear, and polishing), or ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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