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Corroded shipwreck artifacts that are made of iron may be conserved via electrolysis. Electrolysis is a method that uses an electric current to create a chemical reaction that cleans the object and treats rust. Marine organisms such as limpets and molluscs can grasp on the metal surfaces and cause fouling corrosion—corrosion.
Cleaning should be determined after a condition report is completed and photographs are taken. Any previous repairs should be documented and reviewed prior to new treatment. The proposed cleaning method needs to be justified by the condition and desired end results of the object.
Once you've removed the rust, rinse the object with clean water to remove any remaining vinegar-and-salt residue and place it back into the container with fresh water. Add two tablespoons of ...
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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Flame cleaning, also known as flame gouging, [1] is the process of cleaning a structural steel surface by passing an intensely hot oxyacetylene flame over it. Mill scale and rust are removed by the reducing effect of the flame and the action of the heat, leaving the surface in a condition suitable for wire brushing and painting.
Bronze disease is the chloride corrosion of cuprous (copper-based) artifacts. It was originally thought to be caused by bacteria. [1] It is contagious in that the chlorides which cause it can spread the condition if they are brought into contact with another cuprous object.
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 ...
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