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Inorganic Chemistry

Blazing goIITian

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6 Mar 2010 13:40:00 IST

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what is misch metal??????

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what is misch metal??????

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winx

Scorching goIITian

Joined: 28 Jan 2010

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6 Mar 2010 13:49:15 IST

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misch metal z an alloy consisting of about 50 percent cerium, 25 percent lanthanum, 15 percent neodymium, and 10 percent other rare-earth metals and iron

Misch metal alloyed with iron is the flint (spark-producing agent) in cigarette lighters and similar devices.

Misch metal is also used as a deoxidizer in various alloys and to remove oxygen in vacuum tubes.

As an alloying agent in magnesium, it contributes to high strength and creep resistance.

Suresh Kumar

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9 Mar 2010 14:56:07 IST

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hello dear

Misch metal is an alloy of the cerium metals often used in lighter flints, in alloys with other metals (especially magnesium ), and to remove residual gases in the manufacture of vacuum tubes.

A typical composition includes approximately 50% cerium and 25% lanthanum, with small amounts of neodymium and praseodymium. Its most common use is in the "flint" ignition device of many lighters and torches, although an alloy of only rare-earth elements would be too soft to give good sparks

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