Assertion: anhydrous hydrogen fluoride | /r/HasProperty | obtainable
Facets:
value: from fiuosilicic acid in a process
type: OTHER
Source sentences:
text: These examples demonstrate the fact that an anhydrous hydrogen fluoride is obtainable from by-product fiuosilicic acid in a process wherein potassium sulfate, sulfuric acid and silicon tetrafiuoride are recycled, so that in addition to the raw material by-product fiuosilicic acid, the only auxiliary chemicals required are 10% sulfuric acid and a small amount of make-up potassium sulfate or bisulfate.