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Testing stones to determine silver and gold content. Rub the tester tip on the item to be tested, then pour a few drops of acid solution to determine the precious metal content. If the title is correct the filing created rubbing on the stone will stay on the stone, otherwise the acid will melt it.
Size: 100x50x10 mm
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€29,15 IVA esclusa
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FOV is a brand of
LEGOR GROUP S.P.A.
Via del Lavoro, 1
36050 Bressanvido (VI) – Italy