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<blockquote data-quote="OzzieAu" data-source="post: 604196" data-attributes="member: 4086"><p>I sort of experimented by soaking them in a bicarb solution in a saucepan lined with aluminium foil and bringing it up to very hot, but not boiling. After cooling off I cut a lemon in half an squeezed the juice out of one half. I filled the lemon skin with bicarb and some water and put the coins in and gently rubbed them between my fingers with the fizzy paste.... This didnt seem to do much, but then I decided to gently rub them on some alfoil with plenty of the paste. I noticed the paste start to darken as the oxides were releasing from the coins.</p><p>Bingo... they looked silver again.</p><p>I think too much rubbing them this way will cause some abrasion to the surface, so gently does it.</p></blockquote><p></p>
[QUOTE="OzzieAu, post: 604196, member: 4086"] I sort of experimented by soaking them in a bicarb solution in a saucepan lined with aluminium foil and bringing it up to very hot, but not boiling. After cooling off I cut a lemon in half an squeezed the juice out of one half. I filled the lemon skin with bicarb and some water and put the coins in and gently rubbed them between my fingers with the fizzy paste.... This didnt seem to do much, but then I decided to gently rub them on some alfoil with plenty of the paste. I noticed the paste start to darken as the oxides were releasing from the coins. Bingo... they looked silver again. I think too much rubbing them this way will cause some abrasion to the surface, so gently does it. [/QUOTE]
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