How To Use Pitchblende In A Sentence
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The story of the Curie's four-year struggle to purify, purify, and purify over again the components of pitchblende has now been told in popular novels, plays, and motion pictures.
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Polonium was the first element to be discovered by Marie Curie and her husband Pierre as they analyzed pitchblende, an ore of uranium, in 1898.
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It is worth recalling the history of this treatment, which began when American, James Douglas, discovered extensive pitchblende deposits on his Western mining properties.
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In their attempt to separate radium from bismuth, both contained in pitchblende, Marie and Pierre found that by crystallizing the chloride of radioactive barium from a solution, they obtained crystals that were more radioactive and richer in radium than the chloride which remained resolved.
Trafficking Materials and Gendered Experimental Practices: Radium Research in Early 20th Century Vienna
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The most common ore of the element is pitchblende, although it is also present in other minerals, such as uraninite, carnotite, uranophane, and coffinite.
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The principal ore mineral is uranophane, a hydrated calcium-uranium silicate, which is believed to be an oxidation product of pitchblende.
The Economic Aspect of Geology
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He already knew ore -- the glossy, sub-metallic, pitchy black luster of uraninite or pitchblende; the yellows of autunite and carnotite; the variant and confusing greens of tobernite.
First Lensman
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The hint of a new element in pitchblende materialized in July 1898, when the couple reported gathering a substance that was 400 times more active than metallic uranium.
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The Curies resolved to learn as much as they could about the source of radioactivity in pitchblende, the ore with which Becquerel originally worked.
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But an unexpected fact was noted: certain minerals (pitchblende, chalcolite, autunite) had a greater activity than might be expected on the basis of their uranium or thorium content.
Marie Curie - Nobel Lecture
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The most common ore of the element is pitchblende, although it is also present in other minerals, such as uraninite, carnotite, uranophane, and coffinite.
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We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.
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We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.
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Polonium was the first element to be discovered by Marie Curie and her husband Pierre as they analyzed pitchblende, an ore of uranium, in 1898.
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But an unexpected fact was noted: certain minerals (pitchblende, chalcolite, autunite) had a greater activity than might be expected on the basis of their uranium or thorium content.
Marie Curie - Nobel Lecture
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The first discovery of pitchblende in the United States was associated with gold ores at the Wood mine in Gilpin County.
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72Horovitz and Hönigschmid purified lead out of 100 kg of lead sulfate from the Joachimsthal pitchblende,
Trafficking Materials and Gendered Experimental Practices: Radium Research in Early 20th Century Vienna
