11. Hydrofluoric acid generally should be approached in a Level A suit, instructors said.12. To do its deadly work, hydrofluoric acid must first pass through the skin. 13. Industrially, the mineral is an important source of both phosphoric and hydrofluoric acids . 14. That meant the hydrofluoric acid was still at work deep inside the tissue. 15. Priming the equipment, in this case using concentrated hydrofluoric acid , would minimize such problems. 16. We had a contractor who tried to dump hydrofluoric acid with the normal trash, 17. The second main option is to use hydrofluoric acid ( HF ) as catalyst. 18. Hydrofluoric acid has a variety of specialized applications, including its ability to dissolve glass.19. Sarin breaks down to hydrofluoric acid that eats through metal. 20. Concentrated hydrofluoric acid reacts violently with water; the products would then contaminate the experiment.
