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Is there a need to clean the floor area where Liquid Nitrogen spills or do we just let it evaporate? If it needs to be clean, how?
Nitrogen is a normal part of the air that you breathe. Except for
the fact that it is extremely cold, liquid nitrogen is totally
non-toxic. When it pours onto the floor, it will evaporate completely
into the air, leaving nothing behind. In fact, you may even find that
the floor is cleaner after pouring the nitrogen than before because of
the way that the liquid nitrogen traps dirt as it rolls across the
(republished on 07/25/06)
Follow-Up #1: liquid nitrogen on nose?
How do you clean liquid nitrogen off from your nose?
I assume you're joking. Still, it's an opportunity to warn people to be careful about liquid nitrogen. It can cause freeze-burns. That might not be a big deal for some small spot on your body, but the nose is very close to the eyes. You really don't want to be splashing liquid nitrogen around your face.
(published on 06/30/11)
Follow-up on this answer.