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<p>[QUOTE=&quot;Just Carl, post: 263991, member: 4552&quot;]Steps:</p><p>Heat the copper wire in the flame of the torch until it burns cleanly. This serves to burn off any unwanted residues that might be on the wire. Make sure that you hold the wire with pliers or an insulator to avoid injury. Touch the hot wire to the holder. Some of the holder will melt and be stuck to the wire. Be sure to hold the holder close to the air intake of the torch in order to draw away the fumes from the burning plastic. Put the wire back into the flame. If the flame bums yellow or clear, no PVC present. If the flame burns bright green, then some PVC is present.</p><p><br /></p><p>I noted this was copied word for word from a web site. A similar web site claimed Acetone will damage Copper coins if left in the light. So we experimented in our labs. Put a pile of coins in a beacker with Acetone. Silver, Copper, Clad, Dimes, Nickels, Quarters and cents. Left in the Acetone for two days indoors and two days outdoors in the Sun. The only thing that happened was a little cleaner. NO DAMAGE as per that web site. </p><p>Next after reading this post we tried Copper wire, Brass wire, Bronze wires. We use a Butain torch, Propane torch, several types of plastics, pieces of PVC pipes. We burned the ends of the wires and touched everything possible and again tried the heat. Due to the melting point of PVC being 212F, it basicallly melted off the wires leaving no trace since it vaporized. Same with everything else we tried. The attempt to place the burning plastics at the entrance of the air intake of the torches only made the flanes dim a little. As to it burning yellow, that is the basic color of the Butane burning anyway. Now just how can PVC, a stable covalent compound made up of Carbon, Oxygen and Chlorine burn green? These experiments lasted for about an hour. The burning PVC did hurt our noses teaching not to liesten to people that just make things up. Note that many items mixed with copper turn green including Copper Carbonate made up of Carbon, Oxygen, Copper, Hydrogen. </p><p>Of course many web sites state facts that are just not so or exagerated like the Kinsey Reports. </p><p>It is always fun to experiment anyway.[/QUOTE]</p><p><br /></p>

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