Fingernails not properly scrubbed can be a problem. Even weak solutions of hydrofluoric acid will rapidly penetrate the skin, destroying the soft tissue and bone underneath. For these reason a ...

Although chemists consider hydrofluoric acid (HF) to be a “weak” acid, its potential to produce serious health ... Fluoride ion causes soft tissue necrosis (similar to alkali damage) and bone damage ...

Only one substance will do the job: hydrofluoric acid, or HFA. HFA has a bad reputation, and deservedly so, notwithstanding its somewhat overwrought treatment by Hollywood. It’s corrosive to ...