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24th May 2018, 08:36 PM
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#19 |
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Member
Join Date: Apr 2010
Posts: 671
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Hello everyone
The only way to remove the oxide is the electrolysis and the zinc-soda method, without attacking the base metal (iron or steel). It is the method used in the museums (besides the ultra-sound) and in the objects recovered from the sea Affectionately. Fernando |
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