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common_items
... Thorium oxide coated gas lamp mantles used in ornamental gas lanterns and gas burning camping lamps are ... Most smoke detectors contain about 1 microcurie of Americium 241, an alpha ...
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http://www.davistownmuseum.org/cbm/Rad9cII.htm
... were executed for both the naturally occurring thorium series and uranium series isotopes and 40 K as ... Smith followed up this anomaly in survey results with a transect survey of ...
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C&EN: BOOKS - PITFALLS OF SELF-GUIDED SCIENCE
...was the -emitting element used in smoke detectors. He had also read that neutrons.....emitted by the 241Am. He crudely extracted thorium from the thorium dioxide in the.....that he could ...
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