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<p>[QUOTE="huntsman53, post: 267294, member: 1242"]Carl,</p><p><br /></p><p>Since Lincoln Cents from 1909 to 1942 and from 1959 to 1962 are composed of .950 Copper and .050 Tin and Zinc and the Cents from 1944 to 1958 and from 1962 to early 1982 are composed of .950 Copper and .050 Zinc, they are going to react differently to different solutions than a Cent produced from the latter part of 1982 to the Current Year which has a pure Copper coating! Also like you stated, any contaminants which may be introduced into the cleaning solution from other coins, may cause additional types of chemical reactions when the next, then the next, then the next coin is introduced into the cleaning solution.</p><p><br /></p><p><br /></p><p>Frank[/QUOTE]</p><p><br /></p>
[QUOTE="huntsman53, post: 267294, member: 1242"]Carl, Since Lincoln Cents from 1909 to 1942 and from 1959 to 1962 are composed of .950 Copper and .050 Tin and Zinc and the Cents from 1944 to 1958 and from 1962 to early 1982 are composed of .950 Copper and .050 Zinc, they are going to react differently to different solutions than a Cent produced from the latter part of 1982 to the Current Year which has a pure Copper coating! Also like you stated, any contaminants which may be introduced into the cleaning solution from other coins, may cause additional types of chemical reactions when the next, then the next, then the next coin is introduced into the cleaning solution. Frank[/QUOTE]
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