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  1. 1 Ochrona Zabytków

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  1. 1 Kopaczyński P.

  2. 1 Skibiński S.

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  1. 1 1994

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Oczyszczanie marmurowej rzeźby z nawarstwień gipsowych metodą elektrodializy membranowej

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Kopaczyński P., Skibiński S.
Ochrona Zabytków
|
1994
|
issue 1
55-58
EN
This study presents a new and original method of cleaning the surface of marble statues from plaster and impurities. The task was performed with the technique of electrodialysis, employing ionselective membranes. The statue was placed in a chamber filled with destilled water; the bottom of the chamber was covered with marble chips. The electrode chambers contained 01, n NaCl. The cleansing process which lasted uninterrupredly for 14 days, was carried out with a difference of potential amounting to 20 v. The pH level in the chamber was controlled; the same holds true for the presence of sulfate ions in the leakage from the outer chamber of the anode complex. All layers of plaster were completely removed from the surface of the object in question.
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