Author Topic: glacial acetic acid solidified  (Read 1286 times)

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RoundBottom

  • Guest
glacial acetic acid solidified
« on: May 02, 2003, 01:38:00 PM »
file this one under PROPER CARE AND FEEDING OF REAGENT.

a 4L still sealed jug of glacial acetic acid that sat in the garage over the (very mild) winter has solidified into a large chunk.  despite the weather being warmer, and the jug now sitting in a heated (15°C-20°C) area, the majority of it is still solidified. 

i'm assuming this happend because the melting point of GAA is 16.6°C and while in the garage, it was subjected to 0°C-5°C all winter. 

is it best to thaw it as one would a block of ice?  eg, put it in a warm pail of water.


terbium

  • Guest
Glacial Acetic acid
« Reply #1 on: May 02, 2003, 01:49:00 PM »
is it best to thaw it as one would a block of ice?  eg, put it in a warm pail of water.
Sure, or even just a warmer room. It will eventually all melt and be just as good as new.


raffike

  • Guest
My GAA also froze when winter came,it nicely...
« Reply #2 on: May 02, 2003, 11:11:00 PM »
My GAA also froze when winter came,it nicely melted at 20 C.


Chromic

  • Guest
Sounds right
« Reply #3 on: May 03, 2003, 12:51:00 AM »
They don't call it glacial acetic acid for no reason.  ;D

starlight

  • Guest
maybe overkill
« Reply #4 on: May 03, 2003, 03:11:00 AM »
but I loosened the top slightly before warming up the bottle. Did not want pressure building up too much inside

RoundBottom

  • Guest
thanks
« Reply #5 on: May 03, 2003, 01:08:00 PM »
thanks for the input kids.  it's already thawed out, but appears the slightest bit discolured.  no big deal, it's cheap and plentiful.