How To Use Radiothorium In A Sentence

• Other radioactive elements have been discovered since: actinium (Debierne), radiothorium and mesothorium (Hahn), ionium (Boltwood), etc. Marie Curie - Nobel Lecture
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• With Ramsay's consent, Hahn had taken with him the radiothorium he separated from samples of barium chloride and the actinium that he and a collaborator had earlier proved to be identical to the new element that the German chemist Friedrich Giesel had named emanium. Trafficking Materials and Gendered Experimental Practices: Radium Research in Early 20th Century Vienna
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• Hahn's radiothorium and actinium salts also followed him to Emil Fischer's laboratory in Berlin. 30 Trafficking Materials and Gendered Experimental Practices: Radium Research in Early 20th Century Vienna
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• Other radioactive elements have been discovered since: actinium (Debierne), radiothorium and mesothorium (Hahn), ionium (Boltwood), etc. Marie Curie - Nobel Lecture
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