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Topic: What are the units for Silica gel pore diameter?  (Read 4344 times)

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Offline Heisenberg

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What are the units for Silica gel pore diameter?
« on: March 25, 2010, 01:59:02 PM »
I'm interested in silica gel used for column chromatography. When I see the specifications of different forms of the stuff, I keep finding people referring to the 'pore diameter' of the beads, in units of 'A'.

e.g. Pore diameter: 60A

What is this 'A'?
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Offline sjb

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Re: What are the units for Silica gel pore diameter?
« Reply #1 on: March 25, 2010, 02:17:56 PM »
Are you sure it's not Å (though I guess it could be A, given ASCII limitations).

See e.g. http://en.wikipedia.org/w/index.php?title=%C3%85ngstr%C3%B6m&oldid=349846304
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Offline Heisenberg

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Re: What are the units for Silica gel pore diameter?
« Reply #2 on: March 26, 2010, 06:52:20 AM »
That looks about right, I think it is the Angstrom. Thanks.
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