undefined | Better HN

0 pointsrefurb8y ago0 comments

Concentration has a lot to do with it. More dilute solutions of HF may cause burns, but t it's unlikely to kill you.

Concentrated HF is another beast entirely.

0 comments

2 comments · 1 top-level

tossandturn8y ago· 1 in thread

And given that it was in an old dusty bottle packed away deep, it may have concentrated over time due to evaporation.

refurbOP8y ago

Acids tends to pull moisture from the air (hydroscopic) and dilute rather than lose water and concentrate.

j / k navigate · click thread line to collapse