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  2. Gilding - Wikipedia

    en.wikipedia.org/wiki/Gilding

    Gilded frame ready for burnishing with an agate stone tool Application of gold leaf to a reproduction of a 15th-century panel painting. Gilding is a decorative technique for applying a very thin coating of gold over solid surfaces such as metal (most common), wood, porcelain, or stone. [1] A gilded object is also described as "gilt".

  3. Shell gold - Wikipedia

    en.wikipedia.org/wiki/Shell_gold

    The paint may be applied to a surface using either a brush or the tip of a finger, and can be "reactivated" by only the moisture in an exhaled breath of air. [ 2 ] Shell gold and powdered gold are the two principal forms of gold used for making repairs in a surface which has been previously gilded but has been damaged.

  4. Chemical coloring of metals - Wikipedia

    en.wikipedia.org/wiki/Chemical_coloring_of_metals

    Chemical coloring of metals is the process of changing the color of metal surfaces with different chemical solutions. The chemical coloring of metals can be split into three types: electroplating – coating the metal surface with another metal using electrolysis. patination – chemically reacting the metal surface to form a colored oxide or ...

  5. Gold leaf - Wikipedia

    en.wikipedia.org/wiki/Gold_leaf

    Gold leaf is gold that has been hammered into thin sheets (usually around 0.1 μm thick [1]) by a process known as goldbeating, [2] for use in gilding. Gold leaf is a type of metal leaf, but the term is rarely used when referring to gold leaf. The term metal leaf is normally used for thin sheets of metal of any color that do not contain any ...

  6. Electroplating - Wikipedia

    en.wikipedia.org/wiki/Electroplating

    Chemical vapor deposition uses a gas containing a volatile compound of the metal, which gets deposited onto the substrate as a result of a chemical reaction. Gilding is a traditional way to attach a gold layer onto metals by applying a very thin sheet of gold held in place by an adhesive. Luigi Valentino Brugnatelli

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