Rust
Rust is composed of iron oxides. In colloquial usage, the term is applied to red oxides, formed by the reaction of iron and oxygen in the presence of water or air moisture. 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 is an example – which generates green rust. Several forms of rust are distinguishable 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.
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Famous quotes containing the word rust:
“And thus we rust Life’s iron chain
Degraded and alone:
And some men curse, and some men weep,
And some men make no moan:
But God’s eternal Laws are kind
And break the heart of stone:”
—Oscar Wilde (1854–1900)
“Sunday clears away the rust of the whole week.”
—Joseph Addison (1672–1719)
“I were better to be eaten to death with a rust than to be scoured to nothing with perpetual motion.”
—William Shakespeare (1564–1616)