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please explain tarnish
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<p>[QUOTE="verybrad, post: 303019, member: 37"]If solid brass, you should be able to polish it and the spot you did polish looks fine. It is just not as yellow as the other. It probably had a lacquer coating that kept it from tarnishing and that lacquer yellows over time. Also the first stages of tarnishing change the color to a more yellow tone. Tarnish is due to exposure to oxygen (oxidation). The lacquer keeps the oxygen out. The problem with lacquer is that it chips off and the piece will tarnish anywhere it does so, giving an uneven appearance. </p><p><br /></p><p>To tell if your bed is solid brass, test with a magnet on the long tubes. It should not stick. Where the rails attach is iron so it will stick there.[/QUOTE]</p><p><br /></p>
[QUOTE="verybrad, post: 303019, member: 37"]If solid brass, you should be able to polish it and the spot you did polish looks fine. It is just not as yellow as the other. It probably had a lacquer coating that kept it from tarnishing and that lacquer yellows over time. Also the first stages of tarnishing change the color to a more yellow tone. Tarnish is due to exposure to oxygen (oxidation). The lacquer keeps the oxygen out. The problem with lacquer is that it chips off and the piece will tarnish anywhere it does so, giving an uneven appearance. To tell if your bed is solid brass, test with a magnet on the long tubes. It should not stick. Where the rails attach is iron so it will stick there.[/QUOTE]
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