What chemical compound did the first woman to win a nobel prize use to separate radium from barium?
Radium chloride Radium chloride (RaCl) is a chemical compound of radium and chlorine, and the first radium compound isolated in a pure state. Marie Curie and André-Louis Debierne used it in their original separation of radium from barium. The first preparation of radium metal was by the electrolysis of a solution of this salt using a mercury cathode.
Uranium tetrachloride Uranium tetrachloride (UCl) is compound of uranium in oxidation state +4. It was used in the electromagnetic isotope separation (EMIS) process of uranium enrichment. It is one of the main starting materials for organouranium chemistry.