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  2. Jewellery cleaning - Wikipedia

    en.wikipedia.org/wiki/Jewellery_cleaning

    The cleaner would first inspect the jewelry to ensure that the gemstones are accounted for and secured. Materials that can handle it are often placed in an ultrasonic bath using a cleaning solution and later put through a steam cleaner, while more sensitive materials will go through light brushing in soapy water.

  3. Conservation and restoration of silver objects - Wikipedia

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

    Single Ingredient – Toothpaste is applied with a clean cloth as a gentle abrasive with a soft bristle toothbrush and rinsed in water. [16] Boiling Water Bath – The silver object or pieces are placed into an aluminum pot and covered with water. One tablespoon of salt and baking soda is added and boiled for three minutes. After cooling, the ...

  4. Conservation and restoration of ivory objects - Wikipedia

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

    The organic components in ivory is called ossein, which is decomposed by hydrolysis and after long-term exposure can cause the ivory to turn into a sponge-like substance. Even for cleaning purposes, water can damage ivory so it should be avoided. [8] Pollutants. Corroded metals and colored materials can stain ivory and should not be placed near ...

  5. ColorChecker - Wikipedia

    en.wikipedia.org/wiki/ColorChecker

    The ColorChecker Classic chart is a rectangular card measuring about 11 by 8.25 inches (27.9 by 21.0 cm), or in its original incarnation about 13 by 9 inches (33 by 23 cm), an aspect ratio approximately the same as that of 35 mm film. [5]

  6. Conservation and restoration of lacquerware - Wikipedia

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

    Wet cleaning is the process of further removal of dirt, grime and residue from the surface of the object that is not successfully removed by dry cleaning. Testing of various solvents should be done prior to wet cleaning the surface of the object in order to prevent possible damage to or removal of the original lacquer surface. [ 16 ]

  7. Stain removal - Wikipedia

    en.wikipedia.org/wiki/Stain_removal

    This can be used for pet stains and out of doors. [3] There is no chief underlying chemical reason why club soda would be superior to plain water in stain removal. [8] Glycerine This can be used to soften "set" stains, especially on wool and non-water-washable fabrics. [3] Boiling water This can be used to take out fruit juice stains.

  8. Silver staining - Wikipedia

    en.wikipedia.org/wiki/Silver_staining

    In traditional stained glass, silver stain is a technique to produce yellow to orange or brown shades (or green on a blue glass base), by adding a mixture containing silver compounds (notably silver nitrate), and firing lightly. It was introduced soon after 1800, and is the "stain" in the term "stained glass".

  9. Conservation and restoration of metals - Wikipedia

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

    Derveni krater, bronze, 350 BC, height: 90.5 cm (35 1 ⁄ 2 in.), Inv. B1, Archaeological Museum of Thessaloniki, after cleaning and conservation. Conservation and restoration of metals is the activity devoted to the protection and preservation of historical (religious, artistic, technical and ethnographic) and archaeological objects made partly or entirely of metal.

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