[Histonet] paraffin "stuff"???

[Pamela Marcum]

At 12:22 PM 2/2/2006, Steven Coakley wrote:
>I've noticed what appears to be this off colored "fuzzy"  stuff floating 
>in the paraffin thats in my embedding dispencer.  I drained the dispencer 
>and replaced it with fresh but there it is again.  Is this anything to be 
>concerned about.  "???"  maybe i should check the processors 
>paraffins.  Never noticed this "stuff" before.
>
>
>---------------------------------
>
>  What are the most popular cars? Find out at Yahoo! Autos
>_______________________________________________
>Histonet mailing list
>Histonet <@t> lists.utsouthwestern.edu
>http://lists.utsouthwestern.edu/mailman/listinfo/histonet

Hi Steve,

First which paraffin are you using?  Does the stuff go away when you stir 
it?  Paraffins today all have additives that can seperate and should be 
stirred daily to assure this is not happening or is re mixed.  Some 
paraffins have more additive than others and will precipitate more.

Best Regards,

Pamela A Marcum
Manager, Histology Special Procedures
University of Pennsylvania
School of Veterinary Medicine
R.S. Reynolds Jr.  CORL
New Bolton Center
382 West Street Road
Kennett Square, PA 19348

Phone - 610-925-6278
Fax     - 610-925-8120
E-mail - pmarcum <@t> vet.upenn.edu