Assertion: hydrogen fluoride | /r/CapableOf | comprise forming mobile slurry of fluorspar
Facets:
value: with sulphuric acid
type: OTHER
Source sentences:
text: According to the present invention we provide such a process for the manufacture of hydrogen fluoride which comprises forming a mobile slurry of fluorspar with sulphuric acid and a minor proportion with respect to sulphuric acid of hydrogen fluoride and/orfluorosulphonic acid at a temperature of not greater than 25 C. and subsequently submitting said slurry to thermal decomposition to liberate the hydrogen fluoride.