Hydrofluoric acid-t or "3HF" or "TF" is HF (hydrofluoric acid), but with Tritium instead of H, H2 (D),
Person one: What is that
Person Two: that's Hydrofluoric acid-t
Person one: *RUNS because of fear of TF*
Person two: It's just HF...
Yep, sometime it gets confused for another TF, don't ask why...
Hydrofluoric acid-t is the tritinized version of HF/Hydrofluoric acid