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In Reply to: RE: Silver Cartridge Coils posted by bare on January 11, 2017 at 19:33:48
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...as silver oxidation and tarnish aren't necessarily the same thing. Silver oxide is a good conductor but silver tarnish caused by sulfur or chlorine compounds is a crap conductor.
Pure silver doesn't oxidize readily but when it does, the oxidized layer usually has a light grey appearance.
Silver does "tarnish" as a result of contact with sulfur and chlorine compounds which produce the typical dark grey to black seen on silverware, jewelry and inside old silver contact type switches. It's one reason you don't put silverware in the dishwasher unless you like polishing it. These compounds are also present in homes as a result of oil or gas furnaces, gas water heaters, fireplaces and swimming pools or hot tubs. In the case of the former it's usually hydrogen sulfide and in the latter it's chlorine compounds. You can often see the yellow sulfur deposits around chimneys and vents and you can usually smell a swimming pool from a distance.
Even your tap water may have one or the other if you have chlorinated city water or well water with high sulfur content.
Cigarette/cigar smoke does it as well, but who smokes in 2017? :-)
Edits: 01/12/17
most likely enamel insulated, oxidation is not an issue. One might be able to make longer single crystal conductors out of silver, but given the typical length of the wire used for an MC coil it is not a concern, both metal can be made into a single crystal to cover it. So really it is a wash. Some of us would swear that silver and copper does sound different. in this application it is impossible to prove that.
dee
;-D
True terror is to wake up one morning and discover that your high school class is running the country.
quote by Kurt Vonnegut
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