Assertion: carnotite's radium | /r/HasProperty | isolated as pure metal
Facets:
value: by curie
type: OTHER
value: by using a mercury cathode
type: MANNER
value: in 1910
type: TEMPORAL
value: by debierne
type: OTHER
Source sentences:
text: In 1910, radium was isolated as a pure metal by Curie and Debierne through the electrolysis of a pure radium chloride solution by using a mercury cathode and distilling it in an atmosphere of hydrogen gas.