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Crystallization pressure

  1. Jun 24, 2014 #1
    Given an unknown fluid, what would be an efficient and/or cheap way of finding it's crystallization pressure through experiment.

    I would like to keep costs at a minimum and work from off the shelf components if possible.
  2. jcsd
  3. Jun 25, 2014 #2


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    Hi kubedgamer,

    A seemingly cheap setup is described here:
    http://www.igsoc.org/journal.old/10/59/igs_journal_vol10_issue059_pg312-315.pdf [Broken]

    When you say unknown liquid, it could mean that a given setup will be easily inadequate by the virtue of the liquids unknown melting point and overall behavior.
    Last edited by a moderator: May 6, 2017
  4. Jun 25, 2014 #3
    Hi Lok,

    Thanks for your reply.

    I saw that paper earlier, unfortunately they're focusing on finding the pressure exerted by freezing ice against an obstacle.

    "Polycrystalline ice, growing from the melt, can exert a pressure against an extended obstacle,
    even though it is free to grow in other directions. Pressures of over 0.2 bar (20kl m-z) have been measured
    with simple apparatus. This phenomenon may be important in explaining the frost-shattering of rocks"

    Unfortunately, not what I'm after :(
    Last edited by a moderator: May 6, 2017
  5. Jun 26, 2014 #4


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    So you would like to find... the pressure at which the unknown liquid freezes?
  6. Jun 27, 2014 #5
    That's correct :)
  7. Jun 29, 2014 #6


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    In this case I cannot imagine something cheaper than the obvious anvil cell.
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