Assertion: germanium | /r/HasProperty | isolated by heating
Facets:
value: from arsenical pyrite
type: OTHER
value: from its pyrite (feass)
type: OTHER
Source sentences:
text: → Ge + 2 H 2 O. Arsenic is isolated from its pyrite (FeAsS) or arsenical pyrite (FeAs 2 ) by heating; alternatively, it can be obtained from its oxide by reduction with carbon: 2