Assertion: hydrogen fluoride | /r/CapableOf | use high quality fluorite
Facets:
value: from china
type: LOCATION
Source sentences:
text: However, in the existing process for generating hydrogen fluoride which uses high quality fluorite from China (average particle diameter of 80-100 µm) as the raw material, when the raw material is merely changed to other calcium fluoride source, there arise problems due to difference in reactivity and so on.