biography
| name: |
Spedding, Frank (Harold)
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| sex:
| male
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| lived:
| (1902–84)
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| biography:
| Inorganic chemist, born in Hamilton, Ontario, SE Canada. He spent his working career at Iowa State University. He devised a method for purifying uranium metal in quantity in World War 2, and Spedding's eggs formed the core of Fermi's first atomic pile, set up in Chicago in 1942. Thereafter he worked on the problem of separating the closely similar lanthanides, and devised an ion-exchange chromatographic method for this purpose, which was also suitable for the separation of the actinides (transuranium elements). |
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