Rust

Rust is an iron oxide, usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture. Several forms of rust are distinguishable both visually and by spectroscopy, and form under different circumstances. Rust consists of hydrated iron(III) oxides Fe₂O₃·nH₂O and iron(III) oxide-hydroxide (FeO(OH), Fe(OH)₃).

Given sufficient time, oxygen, and water, any iron mass will eventually convert entirely to rust and disintegrate. Surface rust is flaky and friable, and it provides no protection to the underlying iron, unlike the formation of patina on copper surfaces. Rusting is the common term for corrosion of iron and its alloys, such as steel. Many other metals undergo equivalent corrosion, but the resulting oxides are not commonly called rust.

Other forms of rust exist, like the result of reactions between iron and chloride in an environment deprived of oxygen. Rebar used in underwater concrete pillars ,which generates green rust, is an example.

Chemical reactions

This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Rust

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Sioux City Journal 13 Aug 2020

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The Concord Township News-Herald 12 Aug 2020

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Community news 11 Aug 2020

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Julie Harrington unveiled as successor to outgoing BHA chief Nick Rust

The Sun 11 Aug 2020

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Jenny's Reesources: Fair reflections, crop update, spidermites and rust

York News-Times 11 Aug 2020

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Vice 11 Aug 2020

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TSD Memphis 10 Aug 2020

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Dakota Valley wins Class B state Legion title

Sioux City Journal 10 Aug 2020

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Raw Story 09 Aug 2020

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Southern rust is spreading northwards

The North Platte Telegraph 09 Aug 2020

Southern rust has been confirmed in approximately 40 counties in Nebraska in the last several weeks ... There are two main types of corn rusts in Nebraska. common rust and southern rust. Common rust tends to come in earlier and usually does not warrant a fungicide application ... The “perfect storm” for southern rust development is.....

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Southern rust confirmed in 40 counties

The Grand Island Independent 09 Aug 2020

Southern rust has been confirmed in about 40 counties in Nebraska in the last several weeks ... There are two main types of corn rusts in Nebraska. common rust and southern rust. Common rust tends to come in earlier and usually does not warrant a fungicide application ... Southern rust pustules usually develop on the upper leaf surface in tight clusters....