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Newbie



Posts : 110
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Question about ammonia Empty
PostSubject: Question about ammonia   Question about ammonia EmptyMon Apr 11, 2011 8:20 pm

Meron akong nakausap kanina na nag-aalala dahil meron nagpasok ng mga coins na ginamitan ng ammonia nitong nakaraang auction at baka magreklamo ang nakabili pag malaman nito na cleaned ang nabili niya.

Ano ba epekto ng ammonia sa coins??? Katulad din ba 'to ng silver cleaner na nagpapaitim ng silver coins pag matagal na sa storage???
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25Cents

25Cents

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Question about ammonia Empty
PostSubject: Re: Question about ammonia   Question about ammonia EmptyTue Apr 12, 2011 11:53 am

Ammonia will remove metal from the surface. The action is not so much on the dirt, but on the coin metal itself, i read...



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