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@lists.utsouthwestern.edu] Sent: Monday, March 26, 2018 12:28 PM To: Histonet@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 _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet
