Bronze dowels and clamps were employed in ancient Greek architecture for the construction and conservation of monuments. Dowels for the fastening of blocks vertically and damps for their connection horizontally, when being in the same course, were used rather rarefy in the Archaic period, but their use became more frequent in the periods that followed. The corrosion of bronze joints produces soluble copper salts, which appear as green stains on the marble surface and affect the aesthetic aspect of the monuments. Ammonium salts as well as mora paste have been tested for the removal of bronze stains from marble samples.
Removal of Copper Stains, Formed from Bronze Joints on Marble Statues and Monuments
23 Aug 2012
by Archaeology Newsroom
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