[Histonet] Congo Red- Glass wool

Morken, Timothy Timothy.Morken at ucsf.edu
Mon Mar 26 14:49:59 CDT 2018

Fran, I've never heard of that. The books I looked at just say "filter" with no specific filter recommendations. 

For Sudan Black and Congo red  we use Whatman "Reeve Angel 802" (Pleated). It has a 15um pore size which is "coarse."
Fisher catalog number 09-901A

Tim Morken
Pathology Site Manager, Parnassus 
Supervisor, Electron Microscopy/Neuromuscular Special Studies
Department of Pathology
UC San Francisco Medical Center

-----Original Message-----
From: Frances Pearsall via Histonet [mailto:histonet at lists.utsouthwestern.edu] 
Sent: Monday, March 26, 2018 12:28 PM
To: Histonet at lists.utsouthwestern.edu
Subject: [Histonet] Congo Red- Glass wool

Can anyone tell me what kind and/or size glass wool do you use to for filtering the Working Congo Red solution right before use? From what I've read, it recommends not to use regular filter paper.

Thank you so much,
Fran Pearsall, ASCP

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