Difference between revisions of "Mischmetal"
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| − | Mischmetal is an alloy produced from electrolysis of mixed rare-earth metals, with the exact composition depending on the origin of the source material. The majority of mischmetal consists of [[lanthanum]] and [[cerium]], with smaller amounts of [[praseodymium]], [[neodymium]], and [[samarium]]. All of the other stable rare earths are present in some quantity | + | '''Mischmetal''' is an alloy produced from electrolysis of mixed rare-earth metals, with the exact composition depending on the origin of the source material. The majority of mischmetal consists of [[lanthanum]] and [[cerium]], with smaller amounts of [[praseodymium]], [[neodymium]], and [[samarium]]. All of the other stable rare earths are present in some quantity. |
| − | When alloyed with iron and some added metal oxides the harder alloy [[ferrocerium]] is formed, which is commonly used in "flints." | + | ==Properties== |
| + | Mischmetal is extremely prone to corrosion, and sparks dramatically when struck, throwing out globs of molten metal. | ||
| + | |||
| + | When alloyed with [[iron]] and some added metal oxides the harder alloy [[ferrocerium]] is formed, which is commonly used in "flints." | ||
| + | |||
| + | ==Projects== | ||
| + | *Make sparks | ||
| + | |||
| + | ==Handling== | ||
| + | ===Safety=== | ||
| + | Mischmetal will corrode in moist air. | ||
| + | |||
| + | ===Storage=== | ||
| + | In closed containers. | ||
| + | |||
| + | ===Disposal=== | ||
| + | Best to try to recycle it. | ||
| + | |||
| + | ==References== | ||
| + | <references/> | ||
| + | ===Relevant Sciencemadness threads=== | ||
| + | *[http://www.sciencemadness.org/talk/viewthread.php?tid=14145 The trouble with neodymium...] | ||
| + | *[http://www.sciencemadness.org/talk/viewthread.php?tid=8758 Rare earth metals, mischmetal, etc] | ||
| + | *[https://www.sciencemadness.org/whisper/viewthread.php?tid=21342 Extract Lanthanum from Mischmetal.] | ||
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| + | [[Category:Inorganic compounds]] | ||
[[Category:Alloys]] | [[Category:Alloys]] | ||
| − | [[Category: | + | [[Category:Materials that react with water]] |
| + | [[Category:Materials unstable in acidic solution]] | ||
| + | [[Category:Pyrophoric materials]] | ||
Latest revision as of 17:55, 21 September 2018
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Mischmetal is an alloy produced from electrolysis of mixed rare-earth metals, with the exact composition depending on the origin of the source material. The majority of mischmetal consists of lanthanum and cerium, with smaller amounts of praseodymium, neodymium, and samarium. All of the other stable rare earths are present in some quantity.
Contents
Properties
Mischmetal is extremely prone to corrosion, and sparks dramatically when struck, throwing out globs of molten metal.
When alloyed with iron and some added metal oxides the harder alloy ferrocerium is formed, which is commonly used in "flints."
Projects
- Make sparks
Handling
Safety
Mischmetal will corrode in moist air.
Storage
In closed containers.
Disposal
Best to try to recycle it.
