Only one substance will do the job: hydrofluoric acid, or HFA. HFA has a bad reputation ... a close look at the fluoride side of the molecule. Like chlorine and bromine, fluorine is one of ...

Hydrofluoric acid (HF) and Hydrogen Fluoride (HF) are very poisonous, highly irritating and corrosive. Hydrofluoric acid or Hydrogen Fluoride (HF) is fatal if inhaled, if swallowed, or in contact with ...