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<p>[QUOTE=&quot;Just Carl, post: 267613, member: 4552&quot;]True but the 1995 is coated with pure Copper. The 1915 does have that small % of Tin and Zinc but the reactions are usually caused by the cleaning agents. Note one thing not mentioned previously that all should note is the shelf life of any chemical solution. The container itself becomes a contaminate after a while. </p><p>I remember in Chem classes there was this story of a scientist that claimed he had produced the purest water possible. This was a hundred or so years ago. Today that sealed vile of so called pure water is in a museum and is all clouded due to the dissolving of the glass container it was put into. Remember glass itself is basically Silicon Dioxide and is eventually dissolvable.[/QUOTE]</p><p><br /></p>

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