Assertion: cryolite's amount | /r/HasProperty | sufiicient
Facets:
Source sentences:
text: O with an acidic reactant having a fluorine-containing component, the amount of reactive alumina being sufiicient to provide an Na:Al molar ratio of less than 3: 1, while maintaining the system acidic, said acidic reactant being introduced in an amount such that the reaction mixture reaches a final pH in the range from about 4.8 to 6.7, the silica and dissolved impurities being retained in solution; and recovering the resulting synthetic cryolite.