Assertion: hydrogen fluoride's impurity | /r/HasProperty | removed by simple procedure
Facets:
value: according to the present invention
type: OTHER
value: from hydrogen fluoride
type: OTHER
value: very
type: DEGREE
value: effectively
type: MANNER
Source sentences:
text: According to the present invention, the impurities can be effectively removed from hydrogen fluoride by the very simple procedure of adding fluorine to hydrogen fluoride, reacting the fluorine with the impurities and distilling the resulting reaction mixture.