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Typical Composition (Ref. 1)
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Element
|
Amount (by weight)
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Uranium
|
99.85% min
|
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Carbon
|
100 ppm max
|
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Iron
|
75 ppm max
|
|
Magnesium
|
5 ppm max
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|
Nickel
|
50 ppm max
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|
Silicon
|
75 ppm max
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Manganese
|
35 ppm max
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|
Aluminum
|
15 ppm max
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Calcium
|
50 ppm max
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