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- Tarnish abstract "Tarnish is a thin layer of corrosion that forms over copper, brass, silver, aluminum, and other similar metals as their outermost layer undergoes a chemical reaction. Tarnish does not always result from the sole effects of oxygen in the air. For example, silver needs hydrogen sulfide to tarnish; it does not tarnish with only oxygen. It often appears as a dull, gray or black film or coating over metal. Tarnish is a surface phenomenon that is self-limiting, unlike rust. Only the top few layers of the metal react, and the layer of tarnish seals and protects the underlying layers from reacting.Tarnish actually preserves the underlying metal in outdoor use and is called patina. The formation of patina is necessary in applications such as copper roofing, and outdoor copper, bronze, and brass statues and fittings. Patina is the name given to tarnish on copper based metals.".
- Tarnish thumbnail Wolfram_evaporated_crystals_and_1cm3_cube.jpg?width=300.
- Tarnish wikiPageExternalLink care.htm.
- Tarnish wikiPageID "610813".
- Tarnish wikiPageRevisionID "603861789".
- Tarnish hasPhotoCollection Tarnish.
- Tarnish subject Category:Chemical_reactions.
- Tarnish subject Category:Corrosion.
- Tarnish subject Category:Metals.
- Tarnish subject Category:Metalworking_terminology.
- Tarnish comment "Tarnish is a thin layer of corrosion that forms over copper, brass, silver, aluminum, and other similar metals as their outermost layer undergoes a chemical reaction. Tarnish does not always result from the sole effects of oxygen in the air. For example, silver needs hydrogen sulfide to tarnish; it does not tarnish with only oxygen. It often appears as a dull, gray or black film or coating over metal. Tarnish is a surface phenomenon that is self-limiting, unlike rust.".
- Tarnish label "Anlaufen".
- Tarnish label "Tarnish".
- Tarnish label "فقد اللمعان".
- Tarnish sameAs Anlaufen.
- Tarnish sameAs m.02w9k2.
- Tarnish sameAs Q445686.
- Tarnish sameAs Q445686.
- Tarnish wasDerivedFrom Tarnish?oldid=603861789.
- Tarnish depiction Wolfram_evaporated_crystals_and_1cm3_cube.jpg.
- Tarnish isPrimaryTopicOf Tarnish.
