...HF for dissolving. Has a nasty affinity to dissolve Ca.
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DH was a jeweler at one point. We had a fume hood w/glove box and eye station. He was working w/titanium, used a dilute nitric & HF combo to etch. Never had an accident....it made me very nervous though.
Muriatic is scary...it’ll *steam* if you open a large container in a cold space. I use gloves, a Pyrex measure and am very careful, acid at arm’s length, head turned a bit, use peripheral vision. But, I think it isn’t used to dissolve bodies, just to lower pH. We all watch too much TV.
There’s stories out there, chemistry lore, about lab techs spilling HF and having it dissolve their bones first.
Primary use of HF is to etch designs into glass.