pitchblende

Noun

Meaning

A pitch-black mineral consisting chiefly of the oxide of uranium; uraninite. See Uraninite.

Synonyms

Hypernyms

Examples

Bioleaching of non-sulfidic ores such as pitchblende also uses ferric iron as an oxidant (e. Source: Internet

Her electrometer showed that pitchblende was four times as active as uranium itself, and chalcolite twice as active. Source: Internet

On 14 April 1898, the Curies optimistically weighed out a 100-gram sample of pitchblende and ground it with a pestle and mortar. Source: Internet

The Curies gathered several tons of pitchblende and refined it for several months until they had a pure sample of polonium. Source: Internet

Rutherford used a generic pitchblende radioactive source and determined that the rays produced by the source had differing penetrations in materials. Source: Internet

Marie Curie used pitchblende, processing tons of it herself, as the source material for her isolation of radium in 1898. Source: Internet

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