[Histonet] (no subject)

[Kemlo Rogerson]

Dissolve the potassium iodide in 1 to 2 times its weight of water then the
iodine will dissolve in the concentrated solution; when dissolved add the
rest of the water.

Kemlo Rogerson
Pathology Manager
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Mob 07749 754194
 

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-----Original Message-----
From: meint002 [mailto:meint002 <@t> umn.edu] 
Sent: Thursday, March 16, 2006 4:42 PM
To: histonet <@t> lists.utsouthwestern.edu
Subject: [Histonet] (no subject)

Dear Histos,

I am trying to make a Gram's Iodine solution (1g iodine, 2g potassium
iodide,
100ml distilled water to start)and I can't get the iodine to go into
solution.  If I use a stir bar the iodine is attracted to the magnet and
doesn't come off.  I've also tried heat and that doesn't seem to work
either.
 All the text books I've looked at say shake until dissolved.  Tried that,
the iodine just sits in the bottom of the beaker and nothing.

I don't remember having this problem before in school.  All suggestions are
welcome.  Thanks in advance.

Joyce Meints



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