Assertion: cryolite | /r/HasProperty | reduced by sodium metal
Facets:
value: to aluminum and sodium fluoride
type: OTHER
Source sentences:
text: In the earlier part of the century, several scientists had made small quantities of these light metals, but the most successful was Henri-Étienne Sainte-Claire Deville , who by 1855 had developed a method by which cryolite, a double fluoride of aluminum and sodium, was reduced by sodium metal to aluminum and sodium fluoride.