Assertion: hydrogen fluoride | /r/HasProperty | introduced as liquefied gas
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text: Therefore, according to one aspect of the present invention, a method is provided for producing highly pure solutions containing hydrogen fluoride or one or more salts thereof, alone or in combination, in which by passing hydrogen fluoride into at least one anhydrous solvent, wherein the hydrogen fluoride is introduced as a gas and/or liquefied gas into the anhydrous solvent or solvents.