[Histonet] Benzoyl peroxide

[Bryan Llewellyn]

After adding the benzoyl peroxide to the methacrylate, but before adding the 
hardener, add some anhydrous calcium chloride and shake well.  After a 
while, the calcium chloride settles and the dry methacrylate can be 
decanted.

Bryan Llewellyn

----- Original Message ----- 
From: "matt prideaux (RI)" <matt.prideaux <@t> bbsrc.ac.uk>
To: <histonet <@t> lists.utsouthwestern.edu>
Sent: Wednesday, October 18, 2006 2:12 AM
Subject: [Histonet] Benzoyl peroxide


Hi,

I'm trying to embed some mouse tibiae in methyl methacrylate, but I'm
having no luck in getting the resin to polymerise. After doing some
reading I've discovered that it's probably because I didn't dry the
benzoyl peroxide first (the stuff we use contains 30% water). Does
anyone know of a safe way to dry the benzoyl peroxide? (I've heard lots
of horror stories about ovens and explosions!) we don't have a
dessicator here but there is a vacuum oven and a freeze drier, would
these be ok to use?

Thanks

Matt

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