Pure platinum is a silvery-white metal that is malleable and ductile. Relevance. Another common misconception is that pure Gold is the best conductor of electricity. Although it is the best conductor, copper and gold are used more often in electrical applications because copper is less expensive and gold has a much higher corrosion resistance. Platinum, which has a thermal conductivity of 42, is not an excellent conductor of heat. You may be surprised to learn that copper is not even the most conductive metal despite being used in many common applications (and the fact it is used as the measuring stick for rating conductivity in metals). Silver is expensive, copper is much less expensive. This coating forms on the plugs and can seriously impair fuel ignition. The previous answers are correct, but they forget one important point. Favourite answer. Duckie68. If silver is a better conductor of heat than copper, aluminum and iron why is it not used to make pots & pans? Their seling point is durability, so they will last much longer than copper or gold. Having said that, if you keep your plugs in your enginer longer, they will "foul" worse or get covered with more ignited fuel smoot. Copper Sulfate is mostly used in agricultural poison and as an algicide in water purification system. A heat exchanger is a … Here are some important applications which require metals that conduct heat well: Heat Exchangers ; Heat Sinks; Cookware; Heat Exchangers. Copper, aluminum, gold, iron, silver, lead, tin, platinum, nickel, tungsten A and example of a good conductor of heat is a metal. 1 decade ago. Platinum costs even more. Silver isn’t that much better a conductor than copper. Because steel is a poor conductor of heat, it’s good for high-temperature environments like airplane engines. However, platinum plug conductivity is roughly the same as plain old copper. Answer Save. As copper is an excellent conductor of heat, it’s good for heat exchangers, heat sinks, and even saucepan bottoms. Silver, unlike many other heavy metals, is not toxic, but both silver and silver compounds are known to cause argyria in humans. If silver is the best conductor of electricity, why are most electrical wires made of copper instead of silver? Commercially Platinum is produced as a byproduct in ores of nickel. Because silver tarnishes, it is less desirable for high frequencies because the exterior surface becomes less conductive. While Gold does have a relatively high conductive rating, it is actually less conductive than Copper. 7 Answers . Platinum is the rarest metal from the Precious metal categories..

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